40047488

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 88164720

約数和(自身を除く): 48117232

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 208, 328, 416, 533, 587, 656, 832, 1066, 1174, 1312, 1664, 2132, 2348, 2624, 4264, 4696, 5248, 7631, 8528, 9392, 15262, 17056, 18784, 24067, 30524, 34112, 37568, 48134, 61048, 68224, 75136, 96268, 122096, 192536, 244192, 312871, 385072, 488384, 625742, 770144, 976768, 1251484, 1540288, 2502968, 3080576, 5005936, 10011872, 20023744, 40047488]

約数ペア:

[(1, 40047488), (2, 20023744), (4, 10011872), (8, 5005936), (13, 3080576), (16, 2502968), (26, 1540288), (32, 1251484), (41, 976768), (52, 770144), (64, 625742), (82, 488384), (104, 385072), (128, 312871), (164, 244192), (208, 192536), (328, 122096), (416, 96268), (533, 75136), (587, 68224), (656, 61048), (832, 48134), (1066, 37568), (1174, 34112), (1312, 30524), (1664, 24067), (2132, 18784), (2348, 17056), (2624, 15262), (4264, 9392), (4696, 8528), (5248, 7631)]