65040260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 139853952

約数和(自身を除く): 74813692

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 163, 281, 284, 326, 355, 562, 652, 710, 815, 1124, 1405, 1420, 1630, 2810, 3260, 5620, 11573, 19951, 23146, 39902, 45803, 46292, 57865, 79804, 91606, 99755, 115730, 183212, 199510, 229015, 231460, 399020, 458030, 916060, 3252013, 6504026, 13008052, 16260065, 32520130, 65040260]

約数ペア:

[(1, 65040260), (2, 32520130), (4, 16260065), (5, 13008052), (10, 6504026), (20, 3252013), (71, 916060), (142, 458030), (163, 399020), (281, 231460), (284, 229015), (326, 199510), (355, 183212), (562, 115730), (652, 99755), (710, 91606), (815, 79804), (1124, 57865), (1405, 46292), (1420, 45803), (1630, 39902), (2810, 23146), (3260, 19951), (5620, 11573)]