70521320

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{3371}}^1$

素因数の和:3905

約数の個数: 32

約数和(自身を含む): 159023520

約数和(自身を除く): 88502200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 3371, 4184, 5230, 6742, 10460, 13484, 16855, 20920, 26968, 33710, 67420, 134840, 1763033, 3526066, 7052132, 8815165, 14104264, 17630330, 35260660, 70521320]

約数ペア:

[(1, 70521320), (2, 35260660), (4, 17630330), (5, 14104264), (8, 8815165), (10, 7052132), (20, 3526066), (40, 1763033), (523, 134840), (1046, 67420), (2092, 33710), (2615, 26968), (3371, 20920), (4184, 16855), (5230, 13484), (6742, 10460)]