40915720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9931}}^1$

素因数の和:10045

約数の個数: 32

約数和(自身を含む): 92963520

約数和(自身を除く): 52047800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 9931, 19862, 39724, 49655, 79448, 99310, 198620, 397240, 1022893, 2045786, 4091572, 5114465, 8183144, 10228930, 20457860, 40915720]

約数ペア:

[(1, 40915720), (2, 20457860), (4, 10228930), (5, 8183144), (8, 5114465), (10, 4091572), (20, 2045786), (40, 1022893), (103, 397240), (206, 198620), (412, 99310), (515, 79448), (824, 49655), (1030, 39724), (2060, 19862), (4120, 9931)]