81562000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3137}}^1$

素因数の和:3173

約数の個数: 80

約数和(自身を含む): 212455152

約数和(自身を除く): 130893152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 1000, 1040, 1300, 1625, 2000, 2600, 3137, 3250, 5200, 6274, 6500, 12548, 13000, 15685, 25096, 26000, 31370, 40781, 50192, 62740, 78425, 81562, 125480, 156850, 163124, 203905, 250960, 313700, 326248, 392125, 407810, 627400, 652496, 784250, 815620, 1019525, 1254800, 1568500, 1631240, 2039050, 3137000, 3262480, 4078100, 5097625, 6274000, 8156200, 10195250, 16312400, 20390500, 40781000, 81562000]

約数ペア:

[(1, 81562000), (2, 40781000), (4, 20390500), (5, 16312400), (8, 10195250), (10, 8156200), (13, 6274000), (16, 5097625), (20, 4078100), (25, 3262480), (26, 3137000), (40, 2039050), (50, 1631240), (52, 1568500), (65, 1254800), (80, 1019525), (100, 815620), (104, 784250), (125, 652496), (130, 627400), (200, 407810), (208, 392125), (250, 326248), (260, 313700), (325, 250960), (400, 203905), (500, 163124), (520, 156850), (650, 125480), (1000, 81562), (1040, 78425), (1300, 62740), (1625, 50192), (2000, 40781), (2600, 31370), (3137, 26000), (3250, 25096), (5200, 15685), (6274, 13000), (6500, 12548)]