128440832

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:893

約数の個数: 80

約数和(自身を含む): 288731520

約数和(自身を除く): 160290688

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 256, 299, 368, 416, 512, 598, 736, 832, 839, 1196, 1472, 1664, 1678, 2392, 2944, 3328, 3356, 4784, 5888, 6656, 6712, 9568, 10907, 11776, 13424, 19136, 19297, 21814, 26848, 38272, 38594, 43628, 53696, 76544, 77188, 87256, 107392, 153088, 154376, 174512, 214784, 250861, 308752, 349024, 429568, 501722, 617504, 698048, 1003444, 1235008, 1396096, 2006888, 2470016, 2792192, 4013776, 4940032, 5584384, 8027552, 9880064, 16055104, 32110208, 64220416, 128440832]

約数ペア:

[(1, 128440832), (2, 64220416), (4, 32110208), (8, 16055104), (13, 9880064), (16, 8027552), (23, 5584384), (26, 4940032), (32, 4013776), (46, 2792192), (52, 2470016), (64, 2006888), (92, 1396096), (104, 1235008), (128, 1003444), (184, 698048), (208, 617504), (256, 501722), (299, 429568), (368, 349024), (416, 308752), (512, 250861), (598, 214784), (736, 174512), (832, 154376), (839, 153088), (1196, 107392), (1472, 87256), (1664, 77188), (1678, 76544), (2392, 53696), (2944, 43628), (3328, 38594), (3356, 38272), (4784, 26848), (5888, 21814), (6656, 19297), (6712, 19136), (9568, 13424), (10907, 11776)]