40277080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1060

約数の個数: 64

約数和(自身を含む): 97627680

約数和(自身を除く): 57350600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 971, 1037, 1220, 1942, 2074, 2440, 3884, 4148, 4855, 5185, 7768, 8296, 9710, 10370, 16507, 19420, 20740, 33014, 38840, 41480, 59231, 66028, 82535, 118462, 132056, 165070, 236924, 296155, 330140, 473848, 592310, 660280, 1006927, 1184620, 2013854, 2369240, 4027708, 5034635, 8055416, 10069270, 20138540, 40277080]

約数ペア:

[(1, 40277080), (2, 20138540), (4, 10069270), (5, 8055416), (8, 5034635), (10, 4027708), (17, 2369240), (20, 2013854), (34, 1184620), (40, 1006927), (61, 660280), (68, 592310), (85, 473848), (122, 330140), (136, 296155), (170, 236924), (244, 165070), (305, 132056), (340, 118462), (488, 82535), (610, 66028), (680, 59231), (971, 41480), (1037, 38840), (1220, 33014), (1942, 20740), (2074, 19420), (2440, 16507), (3884, 10370), (4148, 9710), (4855, 8296), (5185, 7768)]