31395460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 69455232

約数和(自身を除く): 38059772

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 230, 262, 460, 521, 524, 655, 1042, 1310, 2084, 2605, 2620, 3013, 5210, 6026, 10420, 11983, 12052, 15065, 23966, 30130, 47932, 59915, 60260, 68251, 119830, 136502, 239660, 273004, 341255, 682510, 1365020, 1569773, 3139546, 6279092, 7848865, 15697730, 31395460]

約数ペア:

[(1, 31395460), (2, 15697730), (4, 7848865), (5, 6279092), (10, 3139546), (20, 1569773), (23, 1365020), (46, 682510), (92, 341255), (115, 273004), (131, 239660), (230, 136502), (262, 119830), (460, 68251), (521, 60260), (524, 59915), (655, 47932), (1042, 30130), (1310, 23966), (2084, 15065), (2605, 12052), (2620, 11983), (3013, 10420), (5210, 6026)]