31134160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20483}}^1$

素因数の和:20515

約数の個数: 40

約数和(自身を含む): 76200480

約数和(自身を除く): 45066320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20483, 40966, 81932, 102415, 163864, 204830, 327728, 389177, 409660, 778354, 819320, 1556708, 1638640, 1945885, 3113416, 3891770, 6226832, 7783540, 15567080, 31134160]

約数ペア:

[(1, 31134160), (2, 15567080), (4, 7783540), (5, 6226832), (8, 3891770), (10, 3113416), (16, 1945885), (19, 1638640), (20, 1556708), (38, 819320), (40, 778354), (76, 409660), (80, 389177), (95, 327728), (152, 204830), (190, 163864), (304, 102415), (380, 81932), (760, 40966), (1520, 20483)]