85543880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 200448000

約数和(自身を除く): 114904120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 463, 596, 620, 745, 926, 1192, 1240, 1490, 1852, 2315, 2980, 3704, 4619, 4630, 5960, 9238, 9260, 14353, 18476, 18520, 23095, 28706, 36952, 46190, 57412, 68987, 71765, 92380, 114824, 137974, 143530, 184760, 275948, 287060, 344935, 551896, 574120, 689870, 1379740, 2138597, 2759480, 4277194, 8554388, 10692985, 17108776, 21385970, 42771940, 85543880]

約数ペア:

[(1, 85543880), (2, 42771940), (4, 21385970), (5, 17108776), (8, 10692985), (10, 8554388), (20, 4277194), (31, 2759480), (40, 2138597), (62, 1379740), (124, 689870), (149, 574120), (155, 551896), (248, 344935), (298, 287060), (310, 275948), (463, 184760), (596, 143530), (620, 137974), (745, 114824), (926, 92380), (1192, 71765), (1240, 68987), (1490, 57412), (1852, 46190), (2315, 36952), (2980, 28706), (3704, 23095), (4619, 18520), (4630, 18476), (5960, 14353), (9238, 9260)]