1953577840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{19213}}^1$

素因数の和:19298

約数の個数: 80

約数和(自身を含む): 4803192576

約数和(自身を除く): 2849614736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 2480, 2542, 3280, 5084, 6355, 10168, 12710, 19213, 20336, 25420, 38426, 50840, 76852, 96065, 101680, 153704, 192130, 307408, 384260, 595603, 768520, 787733, 1191206, 1537040, 1575466, 2382412, 2978015, 3150932, 3938665, 4764824, 5956030, 6301864, 7877330, 9529648, 11912060, 12603728, 15754660, 23824120, 24419723, 31509320, 47648240, 48839446, 63018640, 97678892, 122098615, 195357784, 244197230, 390715568, 488394460, 976788920, 1953577840]

約数ペア:

[(1, 1953577840), (2, 976788920), (4, 488394460), (5, 390715568), (8, 244197230), (10, 195357784), (16, 122098615), (20, 97678892), (31, 63018640), (40, 48839446), (41, 47648240), (62, 31509320), (80, 24419723), (82, 23824120), (124, 15754660), (155, 12603728), (164, 11912060), (205, 9529648), (248, 7877330), (310, 6301864), (328, 5956030), (410, 4764824), (496, 3938665), (620, 3150932), (656, 2978015), (820, 2382412), (1240, 1575466), (1271, 1537040), (1640, 1191206), (2480, 787733), (2542, 768520), (3280, 595603), (5084, 384260), (6355, 307408), (10168, 192130), (12710, 153704), (19213, 101680), (20336, 96065), (25420, 76852), (38426, 50840)]