77630380

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{23813}}^1$

素因数の和:23985

約数の個数: 24

約数和(自身を含む): 164030832

約数和(自身を除く): 86400452

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 23813, 47626, 95252, 119065, 238130, 476260, 3881519, 7763038, 15526076, 19407595, 38815190, 77630380]

約数ペア:

[(1, 77630380), (2, 38815190), (4, 19407595), (5, 15526076), (10, 7763038), (20, 3881519), (163, 476260), (326, 238130), (652, 119065), (815, 95252), (1630, 47626), (3260, 23813)]