38438660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{907}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 87560256

約数和(自身を除く): 49121596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 815, 907, 1630, 1814, 2119, 3260, 3628, 4238, 4535, 8476, 9070, 10595, 11791, 18140, 21190, 23582, 42380, 47164, 58955, 117910, 147841, 235820, 295682, 591364, 739205, 1478410, 1921933, 2956820, 3843866, 7687732, 9609665, 19219330, 38438660]

約数ペア:

[(1, 38438660), (2, 19219330), (4, 9609665), (5, 7687732), (10, 3843866), (13, 2956820), (20, 1921933), (26, 1478410), (52, 739205), (65, 591364), (130, 295682), (163, 235820), (260, 147841), (326, 117910), (652, 58955), (815, 47164), (907, 42380), (1630, 23582), (1814, 21190), (2119, 18140), (3260, 11791), (3628, 10595), (4238, 9070), (4535, 8476)]