47612500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 112539672

約数和(自身を除く): 64927172

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 293, 325, 500, 586, 625, 650, 1172, 1250, 1300, 1465, 1625, 2500, 2930, 3125, 3250, 3809, 5860, 6250, 6500, 7325, 7618, 8125, 12500, 14650, 15236, 16250, 19045, 29300, 32500, 36625, 38090, 40625, 73250, 76180, 81250, 95225, 146500, 162500, 183125, 190450, 366250, 380900, 476125, 732500, 915625, 952250, 1831250, 1904500, 2380625, 3662500, 4761250, 9522500, 11903125, 23806250, 47612500]

約数ペア:

[(1, 47612500), (2, 23806250), (4, 11903125), (5, 9522500), (10, 4761250), (13, 3662500), (20, 2380625), (25, 1904500), (26, 1831250), (50, 952250), (52, 915625), (65, 732500), (100, 476125), (125, 380900), (130, 366250), (250, 190450), (260, 183125), (293, 162500), (325, 146500), (500, 95225), (586, 81250), (625, 76180), (650, 73250), (1172, 40625), (1250, 38090), (1300, 36625), (1465, 32500), (1625, 29300), (2500, 19045), (2930, 16250), (3125, 15236), (3250, 14650), (3809, 12500), (5860, 8125), (6250, 7618), (6500, 7325)]