28001840

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{613}}^1$

素因数の和:1197

約数の個数: 40

約数和(自身を含む): 65324688

約数和(自身を除く): 37322848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 613, 1142, 1226, 2284, 2452, 2855, 3065, 4568, 4904, 5710, 6130, 9136, 9808, 11420, 12260, 22840, 24520, 45680, 49040, 350023, 700046, 1400092, 1750115, 2800184, 3500230, 5600368, 7000460, 14000920, 28001840]

約数ペア:

[(1, 28001840), (2, 14000920), (4, 7000460), (5, 5600368), (8, 3500230), (10, 2800184), (16, 1750115), (20, 1400092), (40, 700046), (80, 350023), (571, 49040), (613, 45680), (1142, 24520), (1226, 22840), (2284, 12260), (2452, 11420), (2855, 9808), (3065, 9136), (4568, 6130), (4904, 5710)]