155260760

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{23813}}^1$

素因数の和:23987

約数の個数: 32

約数和(自身を含む): 351494640

約数和(自身を除く): 196233880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 23813, 47626, 95252, 119065, 190504, 238130, 476260, 952520, 3881519, 7763038, 15526076, 19407595, 31052152, 38815190, 77630380, 155260760]

約数ペア:

[(1, 155260760), (2, 77630380), (4, 38815190), (5, 31052152), (8, 19407595), (10, 15526076), (20, 7763038), (40, 3881519), (163, 952520), (326, 476260), (652, 238130), (815, 190504), (1304, 119065), (1630, 95252), (3260, 47626), (6520, 23813)]