13984100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 33831168

約数和(自身を除く): 19847068

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 347, 403, 620, 650, 694, 775, 806, 1300, 1388, 1550, 1612, 1735, 2015, 3100, 3470, 4030, 4511, 6940, 8060, 8675, 9022, 10075, 10757, 17350, 18044, 20150, 21514, 22555, 34700, 40300, 43028, 45110, 53785, 90220, 107570, 112775, 139841, 215140, 225550, 268925, 279682, 451100, 537850, 559364, 699205, 1075700, 1398410, 2796820, 3496025, 6992050, 13984100]

約数ペア:

[(1, 13984100), (2, 6992050), (4, 3496025), (5, 2796820), (10, 1398410), (13, 1075700), (20, 699205), (25, 559364), (26, 537850), (31, 451100), (50, 279682), (52, 268925), (62, 225550), (65, 215140), (100, 139841), (124, 112775), (130, 107570), (155, 90220), (260, 53785), (310, 45110), (325, 43028), (347, 40300), (403, 34700), (620, 22555), (650, 21514), (694, 20150), (775, 18044), (806, 17350), (1300, 10757), (1388, 10075), (1550, 9022), (1612, 8675), (1735, 8060), (2015, 6940), (3100, 4511), (3470, 4030)]