40862720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:395

約数の個数: 88

約数和(自身を含む): 102579264

約数和(自身を除く): 61716544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 347, 368, 460, 512, 640, 694, 736, 920, 1024, 1280, 1388, 1472, 1735, 1840, 2560, 2776, 2944, 3470, 3680, 5120, 5552, 5888, 6940, 7360, 7981, 11104, 11776, 13880, 14720, 15962, 22208, 23552, 27760, 29440, 31924, 39905, 44416, 55520, 58880, 63848, 79810, 88832, 111040, 117760, 127696, 159620, 177664, 222080, 255392, 319240, 355328, 444160, 510784, 638480, 888320, 1021568, 1276960, 1776640, 2043136, 2553920, 4086272, 5107840, 8172544, 10215680, 20431360, 40862720]

約数ペア:

[(1, 40862720), (2, 20431360), (4, 10215680), (5, 8172544), (8, 5107840), (10, 4086272), (16, 2553920), (20, 2043136), (23, 1776640), (32, 1276960), (40, 1021568), (46, 888320), (64, 638480), (80, 510784), (92, 444160), (115, 355328), (128, 319240), (160, 255392), (184, 222080), (230, 177664), (256, 159620), (320, 127696), (347, 117760), (368, 111040), (460, 88832), (512, 79810), (640, 63848), (694, 58880), (736, 55520), (920, 44416), (1024, 39905), (1280, 31924), (1388, 29440), (1472, 27760), (1735, 23552), (1840, 22208), (2560, 15962), (2776, 14720), (2944, 13880), (3470, 11776), (3680, 11104), (5120, 7981), (5552, 7360), (5888, 6940)]