40817720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12917}}^1$

素因数の和:13007

約数の個数: 32

約数和(自身を含む): 93009600

約数和(自身を除く): 52191880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 12917, 25834, 51668, 64585, 103336, 129170, 258340, 516680, 1020443, 2040886, 4081772, 5102215, 8163544, 10204430, 20408860, 40817720]

約数ペア:

[(1, 40817720), (2, 20408860), (4, 10204430), (5, 8163544), (8, 5102215), (10, 4081772), (20, 2040886), (40, 1020443), (79, 516680), (158, 258340), (316, 129170), (395, 103336), (632, 64585), (790, 51668), (1580, 25834), (3160, 12917)]