40019960

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1913}}^1$

素因数の和:2447

約数の個数: 32

約数和(自身を含む): 90264240

約数和(自身を除く): 50244280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 1913, 2092, 2615, 3826, 4184, 5230, 7652, 9565, 10460, 15304, 19130, 20920, 38260, 76520, 1000499, 2000998, 4001996, 5002495, 8003992, 10004990, 20009980, 40019960]

約数ペア:

[(1, 40019960), (2, 20009980), (4, 10004990), (5, 8003992), (8, 5002495), (10, 4001996), (20, 2000998), (40, 1000499), (523, 76520), (1046, 38260), (1913, 20920), (2092, 19130), (2615, 15304), (3826, 10460), (4184, 9565), (5230, 7652)]