25472512

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 80

約数和(自身を含む): 56715120

約数和(自身を除く): 31242608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 89, 104, 128, 172, 178, 208, 256, 344, 356, 416, 512, 559, 688, 712, 832, 1118, 1157, 1376, 1424, 1664, 2236, 2314, 2752, 2848, 3328, 3827, 4472, 4628, 5504, 5696, 6656, 7654, 8944, 9256, 11008, 11392, 15308, 17888, 18512, 22016, 22784, 30616, 35776, 37024, 45568, 49751, 61232, 71552, 74048, 99502, 122464, 143104, 148096, 199004, 244928, 286208, 296192, 398008, 489856, 592384, 796016, 979712, 1592032, 1959424, 3184064, 6368128, 12736256, 25472512]

約数ペア:

[(1, 25472512), (2, 12736256), (4, 6368128), (8, 3184064), (13, 1959424), (16, 1592032), (26, 979712), (32, 796016), (43, 592384), (52, 489856), (64, 398008), (86, 296192), (89, 286208), (104, 244928), (128, 199004), (172, 148096), (178, 143104), (208, 122464), (256, 99502), (344, 74048), (356, 71552), (416, 61232), (512, 49751), (559, 45568), (688, 37024), (712, 35776), (832, 30616), (1118, 22784), (1157, 22016), (1376, 18512), (1424, 17888), (1664, 15308), (2236, 11392), (2314, 11008), (2752, 9256), (2848, 8944), (3328, 7654), (3827, 6656), (4472, 5696), (4628, 5504)]