12830740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 29529360

約数和(自身を除く): 16698620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 809, 1220, 1586, 1618, 3172, 3236, 3965, 4045, 7930, 8090, 10517, 15860, 16180, 21034, 42068, 49349, 52585, 98698, 105170, 197396, 210340, 246745, 493490, 641537, 986980, 1283074, 2566148, 3207685, 6415370, 12830740]

約数ペア:

[(1, 12830740), (2, 6415370), (4, 3207685), (5, 2566148), (10, 1283074), (13, 986980), (20, 641537), (26, 493490), (52, 246745), (61, 210340), (65, 197396), (122, 105170), (130, 98698), (244, 52585), (260, 49349), (305, 42068), (610, 21034), (793, 16180), (809, 15860), (1220, 10517), (1586, 8090), (1618, 7930), (3172, 4045), (3236, 3965)]