8292440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 20684160

約数和(自身を除く): 12391720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 431, 481, 520, 740, 862, 962, 1480, 1724, 1924, 2155, 2405, 3448, 3848, 4310, 4810, 5603, 8620, 9620, 11206, 15947, 17240, 19240, 22412, 28015, 31894, 44824, 56030, 63788, 79735, 112060, 127576, 159470, 207311, 224120, 318940, 414622, 637880, 829244, 1036555, 1658488, 2073110, 4146220, 8292440]

約数ペア:

[(1, 8292440), (2, 4146220), (4, 2073110), (5, 1658488), (8, 1036555), (10, 829244), (13, 637880), (20, 414622), (26, 318940), (37, 224120), (40, 207311), (52, 159470), (65, 127576), (74, 112060), (104, 79735), (130, 63788), (148, 56030), (185, 44824), (260, 31894), (296, 28015), (370, 22412), (431, 19240), (481, 17240), (520, 15947), (740, 11206), (862, 9620), (962, 8620), (1480, 5603), (1724, 4810), (1924, 4310), (2155, 3848), (2405, 3448)]