20368259600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{16253}}^1$

素因数の和:16525

約数の個数: 120

約数和(自身を含む): 52920878472

約数和(自身を除く): 32552618872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 241, 260, 325, 400, 482, 520, 650, 964, 1040, 1205, 1300, 1928, 2410, 2600, 3133, 3856, 4820, 5200, 6025, 6266, 9640, 12050, 12532, 15665, 16253, 19280, 24100, 25064, 31330, 32506, 48200, 50128, 62660, 65012, 78325, 81265, 96400, 125320, 130024, 156650, 162530, 211289, 250640, 260048, 313300, 325060, 406325, 422578, 626600, 650120, 812650, 845156, 1056445, 1253200, 1300240, 1625300, 1690312, 2112890, 3250600, 3380624, 3916973, 4225780, 5282225, 6501200, 7833946, 8451560, 10564450, 15667892, 16903120, 19584865, 21128900, 31335784, 39169730, 42257800, 50920649, 62671568, 78339460, 84515600, 97924325, 101841298, 156678920, 195848650, 203682596, 254603245, 313357840, 391697300, 407365192, 509206490, 783394600, 814730384, 1018412980, 1273016225, 1566789200, 2036825960, 2546032450, 4073651920, 5092064900, 10184129800, 20368259600]

約数ペア:

[(1, 20368259600), (2, 10184129800), (4, 5092064900), (5, 4073651920), (8, 2546032450), (10, 2036825960), (13, 1566789200), (16, 1273016225), (20, 1018412980), (25, 814730384), (26, 783394600), (40, 509206490), (50, 407365192), (52, 391697300), (65, 313357840), (80, 254603245), (100, 203682596), (104, 195848650), (130, 156678920), (200, 101841298), (208, 97924325), (241, 84515600), (260, 78339460), (325, 62671568), (400, 50920649), (482, 42257800), (520, 39169730), (650, 31335784), (964, 21128900), (1040, 19584865), (1205, 16903120), (1300, 15667892), (1928, 10564450), (2410, 8451560), (2600, 7833946), (3133, 6501200), (3856, 5282225), (4820, 4225780), (5200, 3916973), (6025, 3380624), (6266, 3250600), (9640, 2112890), (12050, 1690312), (12532, 1625300), (15665, 1300240), (16253, 1253200), (19280, 1056445), (24100, 845156), (25064, 812650), (31330, 650120), (32506, 626600), (48200, 422578), (50128, 406325), (62660, 325060), (65012, 313300), (78325, 260048), (81265, 250640), (96400, 211289), (125320, 162530), (130024, 156650)]