88949900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1291}}^1$

素因数の和:1371

約数の個数: 72

約数和(自身を含む): 211955184

約数和(自身を除く): 123005284

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 212, 260, 265, 325, 530, 650, 689, 1060, 1291, 1300, 1325, 1378, 2582, 2650, 2756, 3445, 5164, 5300, 6455, 6890, 12910, 13780, 16783, 17225, 25820, 32275, 33566, 34450, 64550, 67132, 68423, 68900, 83915, 129100, 136846, 167830, 273692, 335660, 342115, 419575, 684230, 839150, 889499, 1368460, 1678300, 1710575, 1778998, 3421150, 3557996, 4447495, 6842300, 8894990, 17789980, 22237475, 44474950, 88949900]

約数ペア:

[(1, 88949900), (2, 44474950), (4, 22237475), (5, 17789980), (10, 8894990), (13, 6842300), (20, 4447495), (25, 3557996), (26, 3421150), (50, 1778998), (52, 1710575), (53, 1678300), (65, 1368460), (100, 889499), (106, 839150), (130, 684230), (212, 419575), (260, 342115), (265, 335660), (325, 273692), (530, 167830), (650, 136846), (689, 129100), (1060, 83915), (1291, 68900), (1300, 68423), (1325, 67132), (1378, 64550), (2582, 34450), (2650, 33566), (2756, 32275), (3445, 25820), (5164, 17225), (5300, 16783), (6455, 13780), (6890, 12910)]