2080344020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{63697}}^1$

素因数の和:63800

約数の個数: 48

約数和(自身を含む): 4622946048

約数和(自身を除く): 2542602028

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1420, 1633, 3266, 6532, 8165, 16330, 32660, 63697, 127394, 254788, 318485, 636970, 1273940, 1465031, 2930062, 4522487, 5860124, 7325155, 9044974, 14650310, 18089948, 22612435, 29300620, 45224870, 90449740, 104017201, 208034402, 416068804, 520086005, 1040172010, 2080344020]

約数ペア:

[(1, 2080344020), (2, 1040172010), (4, 520086005), (5, 416068804), (10, 208034402), (20, 104017201), (23, 90449740), (46, 45224870), (71, 29300620), (92, 22612435), (115, 18089948), (142, 14650310), (230, 9044974), (284, 7325155), (355, 5860124), (460, 4522487), (710, 2930062), (1420, 1465031), (1633, 1273940), (3266, 636970), (6532, 318485), (8165, 254788), (16330, 127394), (32660, 63697)]