82669640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2082

約数の個数: 64

約数和(自身を含む): 200277360

約数和(自身を除く): 117607720

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, 1037, 1220, 1993, 2074, 2440, 3986, 4148, 5185, 7972, 8296, 9965, 10370, 15944, 19930, 20740, 33881, 39860, 41480, 67762, 79720, 121573, 135524, 169405, 243146, 271048, 338810, 486292, 607865, 677620, 972584, 1215730, 1355240, 2066741, 2431460, 4133482, 4862920, 8266964, 10333705, 16533928, 20667410, 41334820, 82669640]

約数ペア:

[(1, 82669640), (2, 41334820), (4, 20667410), (5, 16533928), (8, 10333705), (10, 8266964), (17, 4862920), (20, 4133482), (34, 2431460), (40, 2066741), (61, 1355240), (68, 1215730), (85, 972584), (122, 677620), (136, 607865), (170, 486292), (244, 338810), (305, 271048), (340, 243146), (488, 169405), (610, 135524), (680, 121573), (1037, 79720), (1220, 67762), (1993, 41480), (2074, 39860), (2440, 33881), (3986, 20740), (4148, 19930), (5185, 15944), (7972, 10370), (8296, 9965)]