40578160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72461}}^1$

素因数の和:72481

約数の個数: 40

約数和(自身を含む): 107823456

約数和(自身を除く): 67245296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72461, 144922, 289844, 362305, 507227, 579688, 724610, 1014454, 1159376, 1449220, 2028908, 2536135, 2898440, 4057816, 5072270, 5796880, 8115632, 10144540, 20289080, 40578160]

約数ペア:

[(1, 40578160), (2, 20289080), (4, 10144540), (5, 8115632), (7, 5796880), (8, 5072270), (10, 4057816), (14, 2898440), (16, 2536135), (20, 2028908), (28, 1449220), (35, 1159376), (40, 1014454), (56, 724610), (70, 579688), (80, 507227), (112, 362305), (140, 289844), (280, 144922), (560, 72461)]