40400704

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:623

約数の個数: 56

約数和(自身を含む): 86246208

約数和(自身を除く): 45845504

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 136, 142, 272, 284, 523, 544, 568, 1046, 1088, 1136, 1207, 2092, 2272, 2414, 4184, 4544, 4828, 8368, 8891, 9656, 16736, 17782, 19312, 33472, 35564, 37133, 38624, 71128, 74266, 77248, 142256, 148532, 284512, 297064, 569024, 594128, 631261, 1188256, 1262522, 2376512, 2525044, 5050088, 10100176, 20200352, 40400704]

約数ペア:

[(1, 40400704), (2, 20200352), (4, 10100176), (8, 5050088), (16, 2525044), (17, 2376512), (32, 1262522), (34, 1188256), (64, 631261), (68, 594128), (71, 569024), (136, 297064), (142, 284512), (272, 148532), (284, 142256), (523, 77248), (544, 74266), (568, 71128), (1046, 38624), (1088, 37133), (1136, 35564), (1207, 33472), (2092, 19312), (2272, 17782), (2414, 16736), (4184, 9656), (4544, 8891), (4828, 8368)]