28743880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65327}}^1$

素因数の和:65349

約数の個数: 32

約数和(自身を含む): 70554240

約数和(自身を除く): 41810360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 65327, 130654, 261308, 326635, 522616, 653270, 718597, 1306540, 1437194, 2613080, 2874388, 3592985, 5748776, 7185970, 14371940, 28743880]

約数ペア:

[(1, 28743880), (2, 14371940), (4, 7185970), (5, 5748776), (8, 3592985), (10, 2874388), (11, 2613080), (20, 1437194), (22, 1306540), (40, 718597), (44, 653270), (55, 522616), (88, 326635), (110, 261308), (220, 130654), (440, 65327)]