64550480

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{12043}}^1$

素因数の和:12123

約数の個数: 40

約数和(自身を含む): 152332512

約数和(自身を除く): 87782032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 12043, 24086, 48172, 60215, 96344, 120430, 192688, 240860, 481720, 806881, 963440, 1613762, 3227524, 4034405, 6455048, 8068810, 12910096, 16137620, 32275240, 64550480]

約数ペア:

[(1, 64550480), (2, 32275240), (4, 16137620), (5, 12910096), (8, 8068810), (10, 6455048), (16, 4034405), (20, 3227524), (40, 1613762), (67, 963440), (80, 806881), (134, 481720), (268, 240860), (335, 192688), (536, 120430), (670, 96344), (1072, 60215), (1340, 48172), (2680, 24086), (5360, 12043)]