28492880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27397}}^1$

素因数の和:27423

約数の個数: 40

約数和(自身を含む): 71344392

約数和(自身を除く): 42851512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27397, 54794, 109588, 136985, 219176, 273970, 356161, 438352, 547940, 712322, 1095880, 1424644, 1780805, 2191760, 2849288, 3561610, 5698576, 7123220, 14246440, 28492880]

約数ペア:

[(1, 28492880), (2, 14246440), (4, 7123220), (5, 5698576), (8, 3561610), (10, 2849288), (13, 2191760), (16, 1780805), (20, 1424644), (26, 1095880), (40, 712322), (52, 547940), (65, 438352), (80, 356161), (104, 273970), (130, 219176), (208, 136985), (260, 109588), (520, 54794), (1040, 27397)]