725920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 1852200

約数和(自身を除く): 1126280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 349, 416, 520, 698, 1040, 1396, 1745, 2080, 2792, 3490, 4537, 5584, 6980, 9074, 11168, 13960, 18148, 22685, 27920, 36296, 45370, 55840, 72592, 90740, 145184, 181480, 362960, 725920]

約数ペア:

[(1, 725920), (2, 362960), (4, 181480), (5, 145184), (8, 90740), (10, 72592), (13, 55840), (16, 45370), (20, 36296), (26, 27920), (32, 22685), (40, 18148), (52, 13960), (65, 11168), (80, 9074), (104, 6980), (130, 5584), (160, 4537), (208, 3490), (260, 2792), (349, 2080), (416, 1745), (520, 1396), (698, 1040)]