64393060

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{38791}}^1$

素因数の和:38883

約数の個数: 24

約数和(自身を含む): 136858176

約数和(自身を除く): 72465116

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 38791, 77582, 155164, 193955, 387910, 775820, 3219653, 6439306, 12878612, 16098265, 32196530, 64393060]

約数ペア:

[(1, 64393060), (2, 32196530), (4, 16098265), (5, 12878612), (10, 6439306), (20, 3219653), (83, 775820), (166, 387910), (332, 193955), (415, 155164), (830, 77582), (1660, 38791)]