28550440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11701}}^1$

素因数の和:11773

約数の個数: 32

約数和(自身を含む): 65297160

約数和(自身を除く): 36746720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 11701, 23402, 46804, 58505, 93608, 117010, 234020, 468040, 713761, 1427522, 2855044, 3568805, 5710088, 7137610, 14275220, 28550440]

約数ペア:

[(1, 28550440), (2, 14275220), (4, 7137610), (5, 5710088), (8, 3568805), (10, 2855044), (20, 1427522), (40, 713761), (61, 468040), (122, 234020), (244, 117010), (305, 93608), (488, 58505), (610, 46804), (1220, 23402), (2440, 11701)]