40626640

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{971}}^1$

素因数の和:1507

約数の個数: 40

約数和(自身を含む): 94735008

約数和(自身を除く): 54108368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 971, 1046, 1942, 2092, 2615, 3884, 4184, 4855, 5230, 7768, 8368, 9710, 10460, 15536, 19420, 20920, 38840, 41840, 77680, 507833, 1015666, 2031332, 2539165, 4062664, 5078330, 8125328, 10156660, 20313320, 40626640]

約数ペア:

[(1, 40626640), (2, 20313320), (4, 10156660), (5, 8125328), (8, 5078330), (10, 4062664), (16, 2539165), (20, 2031332), (40, 1015666), (80, 507833), (523, 77680), (971, 41840), (1046, 38840), (1942, 20920), (2092, 19420), (2615, 15536), (3884, 10460), (4184, 9710), (4855, 8368), (5230, 7768)]