77020760

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11813}}^1$

素因数の和:11987

約数の個数: 32

約数和(自身を含む): 174374640

約数和(自身を除く): 97353880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 11813, 23626, 47252, 59065, 94504, 118130, 236260, 472520, 1925519, 3851038, 7702076, 9627595, 15404152, 19255190, 38510380, 77020760]

約数ペア:

[(1, 77020760), (2, 38510380), (4, 19255190), (5, 15404152), (8, 9627595), (10, 7702076), (20, 3851038), (40, 1925519), (163, 472520), (326, 236260), (652, 118130), (815, 94504), (1304, 59065), (1630, 47252), (3260, 23626), (6520, 11813)]