25839280

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1867}}^1$

素因数の和:2053

約数の個数: 40

約数和(自身を含む): 60455952

約数和(自身を除く): 34616672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 1867, 2768, 3460, 3734, 6920, 7468, 9335, 13840, 14936, 18670, 29872, 37340, 74680, 149360, 322991, 645982, 1291964, 1614955, 2583928, 3229910, 5167856, 6459820, 12919640, 25839280]

約数ペア:

[(1, 25839280), (2, 12919640), (4, 6459820), (5, 5167856), (8, 3229910), (10, 2583928), (16, 1614955), (20, 1291964), (40, 645982), (80, 322991), (173, 149360), (346, 74680), (692, 37340), (865, 29872), (1384, 18670), (1730, 14936), (1867, 13840), (2768, 9335), (3460, 7468), (3734, 6920)]