15209219920

素因数分解:

$2^4\times 5^1\times {\mathrm{19501}}^1\times {\mathrm{9749}}^1$

素因数の和:29263

約数の個数: 40

約数和(自身を含む): 35366877000

約数和(自身を除く): 20157657080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9749, 19498, 19501, 38996, 39002, 48745, 77992, 78004, 97490, 97505, 155984, 156008, 194980, 195010, 312016, 389960, 390020, 779920, 780040, 1560080, 190115249, 380230498, 760460996, 950576245, 1520921992, 1901152490, 3041843984, 3802304980, 7604609960, 15209219920]

約数ペア:

[(1, 15209219920), (2, 7604609960), (4, 3802304980), (5, 3041843984), (8, 1901152490), (10, 1520921992), (16, 950576245), (20, 760460996), (40, 380230498), (80, 190115249), (9749, 1560080), (19498, 780040), (19501, 779920), (38996, 390020), (39002, 389960), (48745, 312016), (77992, 195010), (78004, 194980), (97490, 156008), (97505, 155984)]