25255880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2857}}^1$

素因数の和:2898

約数の個数: 64

約数和(自身を含む): 64819440

約数和(自身を除く): 39563560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 2857, 4420, 5714, 8840, 11428, 14285, 22856, 28570, 37141, 48569, 57140, 74282, 97138, 114280, 148564, 185705, 194276, 242845, 297128, 371410, 388552, 485690, 631397, 742820, 971380, 1262794, 1485640, 1942760, 2525588, 3156985, 5051176, 6313970, 12627940, 25255880]

約数ペア:

[(1, 25255880), (2, 12627940), (4, 6313970), (5, 5051176), (8, 3156985), (10, 2525588), (13, 1942760), (17, 1485640), (20, 1262794), (26, 971380), (34, 742820), (40, 631397), (52, 485690), (65, 388552), (68, 371410), (85, 297128), (104, 242845), (130, 194276), (136, 185705), (170, 148564), (221, 114280), (260, 97138), (340, 74282), (442, 57140), (520, 48569), (680, 37141), (884, 28570), (1105, 22856), (1768, 14285), (2210, 11428), (2857, 8840), (4420, 5714)]