123906250

素因数分解:

$2^1\times 5^7\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 254296224

約数和(自身を除く): 130389974

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 125, 130, 250, 305, 325, 610, 625, 650, 793, 1250, 1525, 1586, 1625, 3050, 3125, 3250, 3965, 6250, 7625, 7930, 8125, 15250, 15625, 16250, 19825, 31250, 38125, 39650, 40625, 76250, 78125, 81250, 99125, 156250, 190625, 198250, 203125, 381250, 406250, 495625, 953125, 991250, 1015625, 1906250, 2031250, 2478125, 4765625, 4956250, 9531250, 12390625, 24781250, 61953125, 123906250]

約数ペア:

[(1, 123906250), (2, 61953125), (5, 24781250), (10, 12390625), (13, 9531250), (25, 4956250), (26, 4765625), (50, 2478125), (61, 2031250), (65, 1906250), (122, 1015625), (125, 991250), (130, 953125), (250, 495625), (305, 406250), (325, 381250), (610, 203125), (625, 198250), (650, 190625), (793, 156250), (1250, 99125), (1525, 81250), (1586, 78125), (1625, 76250), (3050, 40625), (3125, 39650), (3250, 38125), (3965, 31250), (6250, 19825), (7625, 16250), (7930, 15625), (8125, 15250)]