40705040

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5717}}^1$

素因数の和:5819

約数の個数: 40

約数和(自身を含む): 95719320

約数和(自身を除く): 55014280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 5717, 7120, 11434, 22868, 28585, 45736, 57170, 91472, 114340, 228680, 457360, 508813, 1017626, 2035252, 2544065, 4070504, 5088130, 8141008, 10176260, 20352520, 40705040]

約数ペア:

[(1, 40705040), (2, 20352520), (4, 10176260), (5, 8141008), (8, 5088130), (10, 4070504), (16, 2544065), (20, 2035252), (40, 1017626), (80, 508813), (89, 457360), (178, 228680), (356, 114340), (445, 91472), (712, 57170), (890, 45736), (1424, 28585), (1780, 22868), (3560, 11434), (5717, 7120)]