31985740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2053}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 72465120

約数和(自身を除く): 40479380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 2053, 3116, 3895, 4106, 7790, 8212, 10265, 15580, 20530, 39007, 41060, 78014, 84173, 156028, 168346, 195035, 336692, 390070, 420865, 780140, 841730, 1599287, 1683460, 3198574, 6397148, 7996435, 15992870, 31985740]

約数ペア:

[(1, 31985740), (2, 15992870), (4, 7996435), (5, 6397148), (10, 3198574), (19, 1683460), (20, 1599287), (38, 841730), (41, 780140), (76, 420865), (82, 390070), (95, 336692), (164, 195035), (190, 168346), (205, 156028), (380, 84173), (410, 78014), (779, 41060), (820, 39007), (1558, 20530), (2053, 15580), (3116, 10265), (3895, 8212), (4106, 7790)]