81539250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8363}}^1$

素因数の和:8396

約数の個数: 64

約数和(自身を含む): 219203712

約数和(自身を除く): 137664462

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 3250, 4875, 8363, 9750, 16726, 25089, 41815, 50178, 83630, 108719, 125445, 209075, 217438, 250890, 326157, 418150, 543595, 627225, 652314, 1045375, 1087190, 1254450, 1630785, 2090750, 2717975, 3136125, 3261570, 5435950, 6272250, 8153925, 13589875, 16307850, 27179750, 40769625, 81539250]

約数ペア:

[(1, 81539250), (2, 40769625), (3, 27179750), (5, 16307850), (6, 13589875), (10, 8153925), (13, 6272250), (15, 5435950), (25, 3261570), (26, 3136125), (30, 2717975), (39, 2090750), (50, 1630785), (65, 1254450), (75, 1087190), (78, 1045375), (125, 652314), (130, 627225), (150, 543595), (195, 418150), (250, 326157), (325, 250890), (375, 217438), (390, 209075), (650, 125445), (750, 108719), (975, 83630), (1625, 50178), (1950, 41815), (3250, 25089), (4875, 16726), (8363, 9750)]