42452800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 126

約数和(自身を含む): 113834418

約数和(自身を除く): 71381618

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 157, 160, 169, 200, 208, 260, 314, 320, 325, 338, 400, 416, 520, 628, 650, 676, 785, 800, 832, 845, 1040, 1256, 1300, 1352, 1570, 1600, 1690, 2041, 2080, 2512, 2600, 2704, 3140, 3380, 3925, 4082, 4160, 4225, 5024, 5200, 5408, 6280, 6760, 7850, 8164, 8450, 10048, 10205, 10400, 10816, 12560, 13520, 15700, 16328, 16900, 20410, 20800, 25120, 26533, 27040, 31400, 32656, 33800, 40820, 50240, 51025, 53066, 54080, 62800, 65312, 67600, 81640, 102050, 106132, 125600, 130624, 132665, 135200, 163280, 204100, 212264, 251200, 265330, 270400, 326560, 408200, 424528, 530660, 653120, 663325, 816400, 849056, 1061320, 1326650, 1632800, 1698112, 2122640, 2653300, 3265600, 4245280, 5306600, 8490560, 10613200, 21226400, 42452800]

約数ペア:

[(1, 42452800), (2, 21226400), (4, 10613200), (5, 8490560), (8, 5306600), (10, 4245280), (13, 3265600), (16, 2653300), (20, 2122640), (25, 1698112), (26, 1632800), (32, 1326650), (40, 1061320), (50, 849056), (52, 816400), (64, 663325), (65, 653120), (80, 530660), (100, 424528), (104, 408200), (130, 326560), (157, 270400), (160, 265330), (169, 251200), (200, 212264), (208, 204100), (260, 163280), (314, 135200), (320, 132665), (325, 130624), (338, 125600), (400, 106132), (416, 102050), (520, 81640), (628, 67600), (650, 65312), (676, 62800), (785, 54080), (800, 53066), (832, 51025), (845, 50240), (1040, 40820), (1256, 33800), (1300, 32656), (1352, 31400), (1570, 27040), (1600, 26533), (1690, 25120), (2041, 20800), (2080, 20410), (2512, 16900), (2600, 16328), (2704, 15700), (3140, 13520), (3380, 12560), (3925, 10816), (4082, 10400), (4160, 10205), (4225, 10048), (5024, 8450), (5200, 8164), (5408, 7850), (6280, 6760)]