445899040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89899}}^1$

素因数の和:89945

約数の個数: 48

約数和(自身を含む): 1087430400

約数和(自身を除く): 641531360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 89899, 179798, 359596, 449495, 719192, 898990, 1438384, 1797980, 2786869, 2876768, 3595960, 5573738, 7191920, 11147476, 13934345, 14383840, 22294952, 27868690, 44589904, 55737380, 89179808, 111474760, 222949520, 445899040]

約数ペア:

[(1, 445899040), (2, 222949520), (4, 111474760), (5, 89179808), (8, 55737380), (10, 44589904), (16, 27868690), (20, 22294952), (31, 14383840), (32, 13934345), (40, 11147476), (62, 7191920), (80, 5573738), (124, 3595960), (155, 2876768), (160, 2786869), (248, 1797980), (310, 1438384), (496, 898990), (620, 719192), (992, 449495), (1240, 359596), (2480, 179798), (4960, 89899)]