65692840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 153135360

約数和(自身を除く): 87442520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 166, 188, 235, 332, 376, 415, 421, 470, 664, 830, 842, 940, 1660, 1684, 1880, 2105, 3320, 3368, 3901, 4210, 7802, 8420, 15604, 16840, 19505, 19787, 31208, 34943, 39010, 39574, 69886, 78020, 79148, 98935, 139772, 156040, 158296, 174715, 197870, 279544, 349430, 395740, 698860, 791480, 1397720, 1642321, 3284642, 6569284, 8211605, 13138568, 16423210, 32846420, 65692840]

約数ペア:

[(1, 65692840), (2, 32846420), (4, 16423210), (5, 13138568), (8, 8211605), (10, 6569284), (20, 3284642), (40, 1642321), (47, 1397720), (83, 791480), (94, 698860), (166, 395740), (188, 349430), (235, 279544), (332, 197870), (376, 174715), (415, 158296), (421, 156040), (470, 139772), (664, 98935), (830, 79148), (842, 78020), (940, 69886), (1660, 39574), (1684, 39010), (1880, 34943), (2105, 31208), (3320, 19787), (3368, 19505), (3901, 16840), (4210, 15604), (7802, 8420)]