129296180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{977}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 293282640

約数和(自身を除く): 163986460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 509, 977, 1018, 1954, 2036, 2545, 3908, 4885, 5090, 6617, 9770, 10180, 12701, 13234, 19540, 25402, 26468, 33085, 50804, 63505, 66170, 127010, 132340, 254020, 497293, 994586, 1989172, 2486465, 4972930, 6464809, 9945860, 12929618, 25859236, 32324045, 64648090, 129296180]

約数ペア:

[(1, 129296180), (2, 64648090), (4, 32324045), (5, 25859236), (10, 12929618), (13, 9945860), (20, 6464809), (26, 4972930), (52, 2486465), (65, 1989172), (130, 994586), (260, 497293), (509, 254020), (977, 132340), (1018, 127010), (1954, 66170), (2036, 63505), (2545, 50804), (3908, 33085), (4885, 26468), (5090, 25402), (6617, 19540), (9770, 13234), (10180, 12701)]