40921210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 86469120

約数和(自身を除く): 45547910

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 79, 85, 110, 158, 170, 187, 277, 374, 395, 554, 790, 869, 935, 1343, 1385, 1738, 1870, 2686, 2770, 3047, 4345, 4709, 6094, 6715, 8690, 9418, 13430, 14773, 15235, 21883, 23545, 29546, 30470, 43766, 47090, 51799, 73865, 103598, 109415, 147730, 218830, 240713, 258995, 372011, 481426, 517990, 744022, 1203565, 1860055, 2407130, 3720110, 4092121, 8184242, 20460605, 40921210]

約数ペア:

[(1, 40921210), (2, 20460605), (5, 8184242), (10, 4092121), (11, 3720110), (17, 2407130), (22, 1860055), (34, 1203565), (55, 744022), (79, 517990), (85, 481426), (110, 372011), (158, 258995), (170, 240713), (187, 218830), (277, 147730), (374, 109415), (395, 103598), (554, 73865), (790, 51799), (869, 47090), (935, 43766), (1343, 30470), (1385, 29546), (1738, 23545), (1870, 21883), (2686, 15235), (2770, 14773), (3047, 13430), (4345, 9418), (4709, 8690), (6094, 6715)]