25926980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 57335040

約数和(自身を除く): 31408060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 359, 460, 628, 718, 785, 1436, 1570, 1795, 3140, 3590, 3611, 7180, 7222, 8257, 14444, 16514, 18055, 33028, 36110, 41285, 56363, 72220, 82570, 112726, 165140, 225452, 281815, 563630, 1127260, 1296349, 2592698, 5185396, 6481745, 12963490, 25926980]

約数ペア:

[(1, 25926980), (2, 12963490), (4, 6481745), (5, 5185396), (10, 2592698), (20, 1296349), (23, 1127260), (46, 563630), (92, 281815), (115, 225452), (157, 165140), (230, 112726), (314, 82570), (359, 72220), (460, 56363), (628, 41285), (718, 36110), (785, 33028), (1436, 18055), (1570, 16514), (1795, 14444), (3140, 8257), (3590, 7222), (3611, 7180)]