646779040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{130399}}^1$

素因数の和:130445

約数の個数: 48

約数和(自身を含む): 1577318400

約数和(自身を除く): 930539360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 130399, 260798, 521596, 651995, 1043192, 1303990, 2086384, 2607980, 4042369, 4172768, 5215960, 8084738, 10431920, 16169476, 20211845, 20863840, 32338952, 40423690, 64677904, 80847380, 129355808, 161694760, 323389520, 646779040]

約数ペア:

[(1, 646779040), (2, 323389520), (4, 161694760), (5, 129355808), (8, 80847380), (10, 64677904), (16, 40423690), (20, 32338952), (31, 20863840), (32, 20211845), (40, 16169476), (62, 10431920), (80, 8084738), (124, 5215960), (155, 4172768), (160, 4042369), (248, 2607980), (310, 2086384), (496, 1303990), (620, 1043192), (992, 651995), (1240, 521596), (2480, 260798), (4960, 130399)]