28203760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 72245376

約数和(自身を除く): 44041616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 577, 611, 752, 940, 1040, 1154, 1222, 1880, 2308, 2444, 2885, 3055, 3760, 4616, 4888, 5770, 6110, 7501, 9232, 9776, 11540, 12220, 15002, 23080, 24440, 27119, 30004, 37505, 46160, 48880, 54238, 60008, 75010, 108476, 120016, 135595, 150020, 216952, 271190, 300040, 352547, 433904, 542380, 600080, 705094, 1084760, 1410188, 1762735, 2169520, 2820376, 3525470, 5640752, 7050940, 14101880, 28203760]

約数ペア:

[(1, 28203760), (2, 14101880), (4, 7050940), (5, 5640752), (8, 3525470), (10, 2820376), (13, 2169520), (16, 1762735), (20, 1410188), (26, 1084760), (40, 705094), (47, 600080), (52, 542380), (65, 433904), (80, 352547), (94, 300040), (104, 271190), (130, 216952), (188, 150020), (208, 135595), (235, 120016), (260, 108476), (376, 75010), (470, 60008), (520, 54238), (577, 48880), (611, 46160), (752, 37505), (940, 30004), (1040, 27119), (1154, 24440), (1222, 23080), (1880, 15002), (2308, 12220), (2444, 11540), (2885, 9776), (3055, 9232), (3760, 7501), (4616, 6110), (4888, 5770)]