39956980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12409}}^1$

素因数の和:12448

約数の個数: 48

約数和(自身を含む): 100074240

約数和(自身を除く): 60117260

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, 12409, 24818, 49636, 62045, 86863, 124090, 173726, 248180, 285407, 347452, 434315, 570814, 868630, 1141628, 1427035, 1737260, 1997849, 2854070, 3995698, 5708140, 7991396, 9989245, 19978490, 39956980]

約数ペア:

[(1, 39956980), (2, 19978490), (4, 9989245), (5, 7991396), (7, 5708140), (10, 3995698), (14, 2854070), (20, 1997849), (23, 1737260), (28, 1427035), (35, 1141628), (46, 868630), (70, 570814), (92, 434315), (115, 347452), (140, 285407), (161, 248180), (230, 173726), (322, 124090), (460, 86863), (644, 62045), (805, 49636), (1610, 24818), (3220, 12409)]