40995968

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 89449920

約数和(自身を除く): 48453952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 142, 208, 284, 347, 416, 568, 694, 832, 923, 1136, 1388, 1664, 1846, 2272, 2776, 3692, 4511, 4544, 5552, 7384, 9022, 9088, 11104, 14768, 18044, 22208, 24637, 29536, 36088, 44416, 49274, 59072, 72176, 98548, 118144, 144352, 197096, 288704, 320281, 394192, 577408, 640562, 788384, 1281124, 1576768, 2562248, 3153536, 5124496, 10248992, 20497984, 40995968]

約数ペア:

[(1, 40995968), (2, 20497984), (4, 10248992), (8, 5124496), (13, 3153536), (16, 2562248), (26, 1576768), (32, 1281124), (52, 788384), (64, 640562), (71, 577408), (104, 394192), (128, 320281), (142, 288704), (208, 197096), (284, 144352), (347, 118144), (416, 98548), (568, 72176), (694, 59072), (832, 49274), (923, 44416), (1136, 36088), (1388, 29536), (1664, 24637), (1846, 22208), (2272, 18044), (2776, 14768), (3692, 11104), (4511, 9088), (4544, 9022), (5552, 7384)]