845622320

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{133801}}^1$

素因数の和:133893

約数の個数: 40

約数和(自身を含む): 1990973760

約数和(自身を除く): 1145351440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 133801, 267602, 535204, 669005, 1070408, 1338010, 2140816, 2676020, 5352040, 10570279, 10704080, 21140558, 42281116, 52851395, 84562232, 105702790, 169124464, 211405580, 422811160, 845622320]

約数ペア:

[(1, 845622320), (2, 422811160), (4, 211405580), (5, 169124464), (8, 105702790), (10, 84562232), (16, 52851395), (20, 42281116), (40, 21140558), (79, 10704080), (80, 10570279), (158, 5352040), (316, 2676020), (395, 2140816), (632, 1338010), (790, 1070408), (1264, 669005), (1580, 535204), (3160, 267602), (6320, 133801)]