77546320

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4871}}^1$

素因数の和:5083

約数の個数: 40

約数和(自身を含む): 181238400

約数和(自身を除く): 103692080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 4871, 7960, 9742, 15920, 19484, 24355, 38968, 48710, 77936, 97420, 194840, 389680, 969329, 1938658, 3877316, 4846645, 7754632, 9693290, 15509264, 19386580, 38773160, 77546320]

約数ペア:

[(1, 77546320), (2, 38773160), (4, 19386580), (5, 15509264), (8, 9693290), (10, 7754632), (16, 4846645), (20, 3877316), (40, 1938658), (80, 969329), (199, 389680), (398, 194840), (796, 97420), (995, 77936), (1592, 48710), (1990, 38968), (3184, 24355), (3980, 19484), (4871, 15920), (7960, 9742)]