39955020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{95131}}^1$

素因数の和:95150

約数の個数: 48

約数和(自身を含む): 127857408

約数和(自身を除く): 87902388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 95131, 190262, 285393, 380524, 475655, 570786, 665917, 951310, 1141572, 1331834, 1426965, 1902620, 1997751, 2663668, 2853930, 3329585, 3995502, 5707860, 6659170, 7991004, 9988755, 13318340, 19977510, 39955020]

約数ペア:

[(1, 39955020), (2, 19977510), (3, 13318340), (4, 9988755), (5, 7991004), (6, 6659170), (7, 5707860), (10, 3995502), (12, 3329585), (14, 2853930), (15, 2663668), (20, 1997751), (21, 1902620), (28, 1426965), (30, 1331834), (35, 1141572), (42, 951310), (60, 665917), (70, 570786), (84, 475655), (105, 380524), (140, 285393), (210, 190262), (420, 95131)]