40000912

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 93993984

約数和(自身を除く): 53993072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 41, 56, 62, 82, 112, 124, 164, 217, 248, 281, 287, 328, 434, 496, 562, 574, 656, 868, 1124, 1148, 1271, 1736, 1967, 2248, 2296, 2542, 3472, 3934, 4496, 4592, 5084, 7868, 8711, 8897, 10168, 11521, 15736, 17422, 17794, 20336, 23042, 31472, 34844, 35588, 46084, 60977, 69688, 71176, 80647, 92168, 121954, 139376, 142352, 161294, 184336, 243908, 322588, 357151, 487816, 645176, 714302, 975632, 1290352, 1428604, 2500057, 2857208, 5000114, 5714416, 10000228, 20000456, 40000912]

約数ペア:

[(1, 40000912), (2, 20000456), (4, 10000228), (7, 5714416), (8, 5000114), (14, 2857208), (16, 2500057), (28, 1428604), (31, 1290352), (41, 975632), (56, 714302), (62, 645176), (82, 487816), (112, 357151), (124, 322588), (164, 243908), (217, 184336), (248, 161294), (281, 142352), (287, 139376), (328, 121954), (434, 92168), (496, 80647), (562, 71176), (574, 69688), (656, 60977), (868, 46084), (1124, 35588), (1148, 34844), (1271, 31472), (1736, 23042), (1967, 20336), (2248, 17794), (2296, 17422), (2542, 15736), (3472, 11521), (3934, 10168), (4496, 8897), (4592, 8711), (5084, 7868)]