42428440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{631}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 98004240

約数和(自身を除く): 55575800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 631, 820, 1262, 1640, 1681, 2524, 3155, 3362, 5048, 6310, 6724, 8405, 12620, 13448, 16810, 25240, 25871, 33620, 51742, 67240, 103484, 129355, 206968, 258710, 517420, 1034840, 1060711, 2121422, 4242844, 5303555, 8485688, 10607110, 21214220, 42428440]

約数ペア:

[(1, 42428440), (2, 21214220), (4, 10607110), (5, 8485688), (8, 5303555), (10, 4242844), (20, 2121422), (40, 1060711), (41, 1034840), (82, 517420), (164, 258710), (205, 206968), (328, 129355), (410, 103484), (631, 67240), (820, 51742), (1262, 33620), (1640, 25871), (1681, 25240), (2524, 16810), (3155, 13448), (3362, 12620), (5048, 8405), (6310, 6724)]