64557920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{57641}}^1$

素因数の和:57663

約数の個数: 48

約数和(自身を含む): 174309408

約数和(自身を除く): 109751488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 57641, 115282, 230564, 288205, 403487, 461128, 576410, 806974, 922256, 1152820, 1613948, 1844512, 2017435, 2305640, 3227896, 4034870, 4611280, 6455792, 8069740, 9222560, 12911584, 16139480, 32278960, 64557920]

約数ペア:

[(1, 64557920), (2, 32278960), (4, 16139480), (5, 12911584), (7, 9222560), (8, 8069740), (10, 6455792), (14, 4611280), (16, 4034870), (20, 3227896), (28, 2305640), (32, 2017435), (35, 1844512), (40, 1613948), (56, 1152820), (70, 922256), (80, 806974), (112, 576410), (140, 461128), (160, 403487), (224, 288205), (280, 230564), (560, 115282), (1120, 57641)]