40285420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12511}}^1$

素因数の和:12550

約数の個数: 48

約数和(自身を含む): 100896768

約数和(自身を除く): 60611348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 12511, 25022, 50044, 62555, 87577, 125110, 175154, 250220, 287753, 350308, 437885, 575506, 875770, 1151012, 1438765, 1751540, 2014271, 2877530, 4028542, 5755060, 8057084, 10071355, 20142710, 40285420]

約数ペア:

[(1, 40285420), (2, 20142710), (4, 10071355), (5, 8057084), (7, 5755060), (10, 4028542), (14, 2877530), (20, 2014271), (23, 1751540), (28, 1438765), (35, 1151012), (46, 875770), (70, 575506), (92, 437885), (115, 350308), (140, 287753), (161, 250220), (230, 175154), (322, 125110), (460, 87577), (644, 62555), (805, 50044), (1610, 25022), (3220, 12511)]