12886250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 60

約数和(自身を含む): 26583678

約数和(自身を除く): 13697428

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 125, 130, 169, 250, 305, 325, 338, 610, 625, 650, 793, 845, 1250, 1525, 1586, 1625, 1690, 3050, 3250, 3965, 4225, 7625, 7930, 8125, 8450, 10309, 15250, 16250, 19825, 20618, 21125, 38125, 39650, 42250, 51545, 76250, 99125, 103090, 105625, 198250, 211250, 257725, 495625, 515450, 991250, 1288625, 2577250, 6443125, 12886250]

約数ペア:

[(1, 12886250), (2, 6443125), (5, 2577250), (10, 1288625), (13, 991250), (25, 515450), (26, 495625), (50, 257725), (61, 211250), (65, 198250), (122, 105625), (125, 103090), (130, 99125), (169, 76250), (250, 51545), (305, 42250), (325, 39650), (338, 38125), (610, 21125), (625, 20618), (650, 19825), (793, 16250), (845, 15250), (1250, 10309), (1525, 8450), (1586, 8125), (1625, 7930), (1690, 7625), (3050, 4225), (3250, 3965)]