49205840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8663}}^1$

素因数の和:8747

約数の個数: 40

約数和(自身を含む): 116028288

約数和(自身を除く): 66822448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 8663, 17326, 34652, 43315, 69304, 86630, 138608, 173260, 346520, 615073, 693040, 1230146, 2460292, 3075365, 4920584, 6150730, 9841168, 12301460, 24602920, 49205840]

約数ペア:

[(1, 49205840), (2, 24602920), (4, 12301460), (5, 9841168), (8, 6150730), (10, 4920584), (16, 3075365), (20, 2460292), (40, 1230146), (71, 693040), (80, 615073), (142, 346520), (284, 173260), (355, 138608), (568, 86630), (710, 69304), (1136, 43315), (1420, 34652), (2840, 17326), (5680, 8663)]