121734920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{18671}}^1$

素因数の和:18845

約数の個数: 32

約数和(自身を含む): 275598720

約数和(自身を除く): 153863800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 18671, 37342, 74684, 93355, 149368, 186710, 373420, 746840, 3043373, 6086746, 12173492, 15216865, 24346984, 30433730, 60867460, 121734920]

約数ペア:

[(1, 121734920), (2, 60867460), (4, 30433730), (5, 24346984), (8, 15216865), (10, 12173492), (20, 6086746), (40, 3043373), (163, 746840), (326, 373420), (652, 186710), (815, 149368), (1304, 93355), (1630, 74684), (3260, 37342), (6520, 18671)]