64750520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70381}}^1$

素因数の和:70415

約数の個数: 32

約数和(自身を含む): 152025120

約数和(自身を除く): 87274600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 70381, 140762, 281524, 351905, 563048, 703810, 1407620, 1618763, 2815240, 3237526, 6475052, 8093815, 12950104, 16187630, 32375260, 64750520]

約数ペア:

[(1, 64750520), (2, 32375260), (4, 16187630), (5, 12950104), (8, 8093815), (10, 6475052), (20, 3237526), (23, 2815240), (40, 1618763), (46, 1407620), (92, 703810), (115, 563048), (184, 351905), (230, 281524), (460, 140762), (920, 70381)]