40403120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1399}}^1$

素因数の和:1450

約数の個数: 60

約数和(自身を含む): 99212400

約数和(自身を除く): 58809280

約数列:

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

約数ペア:

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