15691831840

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{899761}}^1$

素因数の和:899885

約数の個数: 48

約数和(自身を含む): 37412103960

約数和(自身を除く): 21720272120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 17440, 899761, 1799522, 3599044, 4498805, 7198088, 8997610, 14396176, 17995220, 28792352, 35990440, 71980880, 98073949, 143961760, 196147898, 392295796, 490369745, 784591592, 980739490, 1569183184, 1961478980, 3138366368, 3922957960, 7845915920, 15691831840]

約数ペア:

[(1, 15691831840), (2, 7845915920), (4, 3922957960), (5, 3138366368), (8, 1961478980), (10, 1569183184), (16, 980739490), (20, 784591592), (32, 490369745), (40, 392295796), (80, 196147898), (109, 143961760), (160, 98073949), (218, 71980880), (436, 35990440), (545, 28792352), (872, 17995220), (1090, 14396176), (1744, 8997610), (2180, 7198088), (3488, 4498805), (4360, 3599044), (8720, 1799522), (17440, 899761)]