25392380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 57953280

約数和(自身を除く): 32560900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 769, 1270, 1538, 1651, 2540, 3076, 3302, 3845, 6604, 7690, 8255, 9997, 15380, 16510, 19994, 33020, 39988, 49985, 97663, 99970, 195326, 199940, 390652, 488315, 976630, 1269619, 1953260, 2539238, 5078476, 6348095, 12696190, 25392380]

約数ペア:

[(1, 25392380), (2, 12696190), (4, 6348095), (5, 5078476), (10, 2539238), (13, 1953260), (20, 1269619), (26, 976630), (52, 488315), (65, 390652), (127, 199940), (130, 195326), (254, 99970), (260, 97663), (508, 49985), (635, 39988), (769, 33020), (1270, 19994), (1538, 16510), (1651, 15380), (2540, 9997), (3076, 8255), (3302, 7690), (3845, 6604)]