40665664

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1383

約数の個数: 56

約数和(自身を含む): 89319608

約数和(自身を除く): 48653944

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 832, 962, 1184, 1321, 1924, 2368, 2642, 3848, 5284, 7696, 10568, 15392, 17173, 21136, 30784, 34346, 42272, 48877, 68692, 84544, 97754, 137384, 195508, 274768, 391016, 549536, 635401, 782032, 1099072, 1270802, 1564064, 2541604, 3128128, 5083208, 10166416, 20332832, 40665664]

約数ペア:

[(1, 40665664), (2, 20332832), (4, 10166416), (8, 5083208), (13, 3128128), (16, 2541604), (26, 1564064), (32, 1270802), (37, 1099072), (52, 782032), (64, 635401), (74, 549536), (104, 391016), (148, 274768), (208, 195508), (296, 137384), (416, 97754), (481, 84544), (592, 68692), (832, 48877), (962, 42272), (1184, 34346), (1321, 30784), (1924, 21136), (2368, 17173), (2642, 15392), (3848, 10568), (5284, 7696)]