62978500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{9689}}^1$

素因数の和:9721

約数の個数: 48

約数和(自身を含む): 148140720

約数和(自身を除く): 85162220

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 9689, 19378, 38756, 48445, 96890, 125957, 193780, 242225, 251914, 484450, 503828, 629785, 968900, 1211125, 1259570, 2422250, 2519140, 3148925, 4844500, 6297850, 12595700, 15744625, 31489250, 62978500]

約数ペア:

[(1, 62978500), (2, 31489250), (4, 15744625), (5, 12595700), (10, 6297850), (13, 4844500), (20, 3148925), (25, 2519140), (26, 2422250), (50, 1259570), (52, 1211125), (65, 968900), (100, 629785), (125, 503828), (130, 484450), (250, 251914), (260, 242225), (325, 193780), (500, 125957), (650, 96890), (1300, 48445), (1625, 38756), (3250, 19378), (6500, 9689)]