1589720920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1282033}}^1$

素因数の和:1282075

約数の個数: 32

約数和(自身を含む): 3692257920

約数和(自身を除く): 2102537000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1282033, 2564066, 5128132, 6410165, 10256264, 12820330, 25640660, 39743023, 51281320, 79486046, 158972092, 198715115, 317944184, 397430230, 794860460, 1589720920]

約数ペア:

[(1, 1589720920), (2, 794860460), (4, 397430230), (5, 317944184), (8, 198715115), (10, 158972092), (20, 79486046), (31, 51281320), (40, 39743023), (62, 25640660), (124, 12820330), (155, 10256264), (248, 6410165), (310, 5128132), (620, 2564066), (1240, 1282033)]