42431720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25873}}^1$

素因数の和:25925

約数の個数: 32

約数和(自身を含む): 97803720

約数和(自身を除く): 55372000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25873, 51746, 103492, 129365, 206984, 258730, 517460, 1034920, 1060793, 2121586, 4243172, 5303965, 8486344, 10607930, 21215860, 42431720]

約数ペア:

[(1, 42431720), (2, 21215860), (4, 10607930), (5, 8486344), (8, 5303965), (10, 4243172), (20, 2121586), (40, 1060793), (41, 1034920), (82, 517460), (164, 258730), (205, 206984), (328, 129365), (410, 103492), (820, 51746), (1640, 25873)]