2021872720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{8377}}^1$

素因数の和:8828

約数の個数: 80

約数和(自身を含む): 5385512448

約数和(自身を除く): 3363639728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 431, 560, 862, 1724, 2155, 3017, 3448, 4310, 6034, 6896, 8377, 8620, 12068, 15085, 16754, 17240, 24136, 30170, 33508, 34480, 41885, 48272, 58639, 60340, 67016, 83770, 117278, 120680, 134032, 167540, 234556, 241360, 293195, 335080, 469112, 586390, 670160, 938224, 1172780, 2345560, 3610487, 4691120, 7220974, 14441948, 18052435, 25273409, 28883896, 36104870, 50546818, 57767792, 72209740, 101093636, 126367045, 144419480, 202187272, 252734090, 288838960, 404374544, 505468180, 1010936360, 2021872720]

約数ペア:

[(1, 2021872720), (2, 1010936360), (4, 505468180), (5, 404374544), (7, 288838960), (8, 252734090), (10, 202187272), (14, 144419480), (16, 126367045), (20, 101093636), (28, 72209740), (35, 57767792), (40, 50546818), (56, 36104870), (70, 28883896), (80, 25273409), (112, 18052435), (140, 14441948), (280, 7220974), (431, 4691120), (560, 3610487), (862, 2345560), (1724, 1172780), (2155, 938224), (3017, 670160), (3448, 586390), (4310, 469112), (6034, 335080), (6896, 293195), (8377, 241360), (8620, 234556), (12068, 167540), (15085, 134032), (16754, 120680), (17240, 117278), (24136, 83770), (30170, 67016), (33508, 60340), (34480, 58639), (41885, 48272)]