85807160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 205636320

約数和(自身を除く): 119829160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 257, 340, 491, 514, 680, 982, 1028, 1285, 1964, 2056, 2455, 2570, 3928, 4369, 4910, 5140, 8347, 8738, 9820, 10280, 16694, 17476, 19640, 21845, 33388, 34952, 41735, 43690, 66776, 83470, 87380, 126187, 166940, 174760, 252374, 333880, 504748, 630935, 1009496, 1261870, 2145179, 2523740, 4290358, 5047480, 8580716, 10725895, 17161432, 21451790, 42903580, 85807160]

約数ペア:

[(1, 85807160), (2, 42903580), (4, 21451790), (5, 17161432), (8, 10725895), (10, 8580716), (17, 5047480), (20, 4290358), (34, 2523740), (40, 2145179), (68, 1261870), (85, 1009496), (136, 630935), (170, 504748), (257, 333880), (340, 252374), (491, 174760), (514, 166940), (680, 126187), (982, 87380), (1028, 83470), (1285, 66776), (1964, 43690), (2056, 41735), (2455, 34952), (2570, 33388), (3928, 21845), (4369, 19640), (4910, 17476), (5140, 16694), (8347, 10280), (8738, 9820)]