80451220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{2351}}^1$

素因数の和:2448

約数の個数: 48

約数和(自身を含む): 177811200

約数和(自身を除く): 97359980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 580, 590, 1180, 1711, 2351, 3422, 4702, 6844, 8555, 9404, 11755, 17110, 23510, 34220, 47020, 68179, 136358, 138709, 272716, 277418, 340895, 554836, 681790, 693545, 1363580, 1387090, 2774180, 4022561, 8045122, 16090244, 20112805, 40225610, 80451220]

約数ペア:

[(1, 80451220), (2, 40225610), (4, 20112805), (5, 16090244), (10, 8045122), (20, 4022561), (29, 2774180), (58, 1387090), (59, 1363580), (116, 693545), (118, 681790), (145, 554836), (236, 340895), (290, 277418), (295, 272716), (580, 138709), (590, 136358), (1180, 68179), (1711, 47020), (2351, 34220), (3422, 23510), (4702, 17110), (6844, 11755), (8555, 9404)]