31257040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5503}}^1$

素因数の和:5587

約数の個数: 40

約数和(自身を含む): 73709568

約数和(自身を除く): 42452528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5503, 5680, 11006, 22012, 27515, 44024, 55030, 88048, 110060, 220120, 390713, 440240, 781426, 1562852, 1953565, 3125704, 3907130, 6251408, 7814260, 15628520, 31257040]

約数ペア:

[(1, 31257040), (2, 15628520), (4, 7814260), (5, 6251408), (8, 3907130), (10, 3125704), (16, 1953565), (20, 1562852), (40, 781426), (71, 440240), (80, 390713), (142, 220120), (284, 110060), (355, 88048), (568, 55030), (710, 44024), (1136, 27515), (1420, 22012), (2840, 11006), (5503, 5680)]