80806240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1399}}^1$

素因数の和:1452

約数の個数: 72

約数和(自身を含む): 201625200

約数和(自身を除く): 120818960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 1399, 1444, 1520, 1805, 2798, 2888, 3040, 3610, 5596, 5776, 6995, 7220, 11192, 11552, 13990, 14440, 22384, 26581, 27980, 28880, 44768, 53162, 55960, 57760, 106324, 111920, 132905, 212648, 223840, 265810, 425296, 505039, 531620, 850592, 1010078, 1063240, 2020156, 2126480, 2525195, 4040312, 4252960, 5050390, 8080624, 10100780, 16161248, 20201560, 40403120, 80806240]

約数ペア:

[(1, 80806240), (2, 40403120), (4, 20201560), (5, 16161248), (8, 10100780), (10, 8080624), (16, 5050390), (19, 4252960), (20, 4040312), (32, 2525195), (38, 2126480), (40, 2020156), (76, 1063240), (80, 1010078), (95, 850592), (152, 531620), (160, 505039), (190, 425296), (304, 265810), (361, 223840), (380, 212648), (608, 132905), (722, 111920), (760, 106324), (1399, 57760), (1444, 55960), (1520, 53162), (1805, 44768), (2798, 28880), (2888, 27980), (3040, 26581), (3610, 22384), (5596, 14440), (5776, 13990), (6995, 11552), (7220, 11192)]