24909820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 56800800

約数和(自身を除く): 31890980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 643, 745, 1286, 1490, 1937, 2572, 2980, 3215, 3874, 6430, 7748, 8359, 9685, 12860, 16718, 19370, 33436, 38740, 41795, 83590, 95807, 167180, 191614, 383228, 479035, 958070, 1245491, 1916140, 2490982, 4981964, 6227455, 12454910, 24909820]

約数ペア:

[(1, 24909820), (2, 12454910), (4, 6227455), (5, 4981964), (10, 2490982), (13, 1916140), (20, 1245491), (26, 958070), (52, 479035), (65, 383228), (130, 191614), (149, 167180), (260, 95807), (298, 83590), (596, 41795), (643, 38740), (745, 33436), (1286, 19370), (1490, 16718), (1937, 12860), (2572, 9685), (2980, 8359), (3215, 7748), (3874, 6430)]