40904240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1063}}^1$

素因数の和:1126

約数の個数: 80

約数和(自身を含む): 105284928

約数和(自身を除く): 64380688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1063, 1480, 1924, 2126, 2405, 2960, 3848, 4252, 4810, 5315, 7696, 8504, 9620, 10630, 13819, 17008, 19240, 21260, 27638, 38480, 39331, 42520, 55276, 69095, 78662, 85040, 110552, 138190, 157324, 196655, 221104, 276380, 314648, 393310, 511303, 552760, 629296, 786620, 1022606, 1105520, 1573240, 2045212, 2556515, 3146480, 4090424, 5113030, 8180848, 10226060, 20452120, 40904240]

約数ペア:

[(1, 40904240), (2, 20452120), (4, 10226060), (5, 8180848), (8, 5113030), (10, 4090424), (13, 3146480), (16, 2556515), (20, 2045212), (26, 1573240), (37, 1105520), (40, 1022606), (52, 786620), (65, 629296), (74, 552760), (80, 511303), (104, 393310), (130, 314648), (148, 276380), (185, 221104), (208, 196655), (260, 157324), (296, 138190), (370, 110552), (481, 85040), (520, 78662), (592, 69095), (740, 55276), (962, 42520), (1040, 39331), (1063, 38480), (1480, 27638), (1924, 21260), (2126, 19240), (2405, 17008), (2960, 13819), (3848, 10630), (4252, 9620), (4810, 8504), (5315, 7696)]