207827440

素因数分解:

$2^4\times 5^1\times {\mathrm{977}}^1\times {\mathrm{2659}}^1$

素因数の和:3649

約数の個数: 40

約数和(自身を含む): 483875280

約数和(自身を除く): 276047840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 977, 1954, 2659, 3908, 4885, 5318, 7816, 9770, 10636, 13295, 15632, 19540, 21272, 26590, 39080, 42544, 53180, 78160, 106360, 212720, 2597843, 5195686, 10391372, 12989215, 20782744, 25978430, 41565488, 51956860, 103913720, 207827440]

約数ペア:

[(1, 207827440), (2, 103913720), (4, 51956860), (5, 41565488), (8, 25978430), (10, 20782744), (16, 12989215), (20, 10391372), (40, 5195686), (80, 2597843), (977, 212720), (1954, 106360), (2659, 78160), (3908, 53180), (4885, 42544), (5318, 39080), (7816, 26590), (9770, 21272), (10636, 19540), (13295, 15632)]