84280480

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2647}}^1$

素因数の和:2861

約数の個数: 48

約数和(自身を含む): 200188800

約数和(自身を除く): 115908320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 2647, 3184, 3980, 5294, 6368, 7960, 10588, 13235, 15920, 21176, 26470, 31840, 42352, 52940, 84704, 105880, 211760, 423520, 526753, 1053506, 2107012, 2633765, 4214024, 5267530, 8428048, 10535060, 16856096, 21070120, 42140240, 84280480]

約数ペア:

[(1, 84280480), (2, 42140240), (4, 21070120), (5, 16856096), (8, 10535060), (10, 8428048), (16, 5267530), (20, 4214024), (32, 2633765), (40, 2107012), (80, 1053506), (160, 526753), (199, 423520), (398, 211760), (796, 105880), (995, 84704), (1592, 52940), (1990, 42352), (2647, 31840), (3184, 26470), (3980, 21176), (5294, 15920), (6368, 13235), (7960, 10588)]