40516970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1361}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 78941520

約数和(自身を除く): 38424550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 1145, 1361, 2290, 2722, 2977, 5954, 6805, 13610, 14885, 17693, 29770, 35386, 88465, 176930, 311669, 623338, 1558345, 3116690, 4051697, 8103394, 20258485, 40516970]

約数ペア:

[(1, 40516970), (2, 20258485), (5, 8103394), (10, 4051697), (13, 3116690), (26, 1558345), (65, 623338), (130, 311669), (229, 176930), (458, 88465), (1145, 35386), (1361, 29770), (2290, 17693), (2722, 14885), (2977, 13610), (5954, 6805)]