28363760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11437}}^1$

素因数の和:11481

約数の個数: 40

約数和(自身を含む): 68078976

約数和(自身を除く): 39715216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11437, 22874, 45748, 57185, 91496, 114370, 182992, 228740, 354547, 457480, 709094, 914960, 1418188, 1772735, 2836376, 3545470, 5672752, 7090940, 14181880, 28363760]

約数ペア:

[(1, 28363760), (2, 14181880), (4, 7090940), (5, 5672752), (8, 3545470), (10, 2836376), (16, 1772735), (20, 1418188), (31, 914960), (40, 709094), (62, 457480), (80, 354547), (124, 228740), (155, 182992), (248, 114370), (310, 91496), (496, 57185), (620, 45748), (1240, 22874), (2480, 11437)]