31752940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 71807904

約数和(自身を除く): 40054964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 1531, 2074, 3062, 4148, 5185, 6124, 7655, 10370, 15310, 20740, 26027, 30620, 52054, 93391, 104108, 130135, 186782, 260270, 373564, 466955, 520540, 933910, 1587647, 1867820, 3175294, 6350588, 7938235, 15876470, 31752940]

約数ペア:

[(1, 31752940), (2, 15876470), (4, 7938235), (5, 6350588), (10, 3175294), (17, 1867820), (20, 1587647), (34, 933910), (61, 520540), (68, 466955), (85, 373564), (122, 260270), (170, 186782), (244, 130135), (305, 104108), (340, 93391), (610, 52054), (1037, 30620), (1220, 26027), (1531, 20740), (2074, 15310), (3062, 10370), (4148, 7655), (5185, 6124)]