28825420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3823}}^1$

素因数の和:3874

約数の個数: 48

約数和(自身を含む): 67455360

約数和(自身を除く): 38629940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 3823, 7540, 7646, 15292, 19115, 38230, 49699, 76460, 99398, 110867, 198796, 221734, 248495, 443468, 496990, 554335, 993980, 1108670, 1441271, 2217340, 2882542, 5765084, 7206355, 14412710, 28825420]

約数ペア:

[(1, 28825420), (2, 14412710), (4, 7206355), (5, 5765084), (10, 2882542), (13, 2217340), (20, 1441271), (26, 1108670), (29, 993980), (52, 554335), (58, 496990), (65, 443468), (116, 248495), (130, 221734), (145, 198796), (260, 110867), (290, 99398), (377, 76460), (580, 49699), (754, 38230), (1508, 19115), (1885, 15292), (3770, 7646), (3823, 7540)]