13197680

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{829}}^1$

素因数の和:1041

約数の個数: 40

約数和(自身を含む): 30876000

約数和(自身を除く): 17678320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 829, 995, 1592, 1658, 1990, 3184, 3316, 3980, 4145, 6632, 7960, 8290, 13264, 15920, 16580, 33160, 66320, 164971, 329942, 659884, 824855, 1319768, 1649710, 2639536, 3299420, 6598840, 13197680]

約数ペア:

[(1, 13197680), (2, 6598840), (4, 3299420), (5, 2639536), (8, 1649710), (10, 1319768), (16, 824855), (20, 659884), (40, 329942), (80, 164971), (199, 66320), (398, 33160), (796, 16580), (829, 15920), (995, 13264), (1592, 8290), (1658, 7960), (1990, 6632), (3184, 4145), (3316, 3980)]