31015760

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1693}}^1$

素因数の和:1935

約数の個数: 40

約数和(自身を含む): 72469320

約数和(自身を除く): 41453560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1693, 1832, 2290, 3386, 3664, 4580, 6772, 8465, 9160, 13544, 16930, 18320, 27088, 33860, 67720, 135440, 387697, 775394, 1550788, 1938485, 3101576, 3876970, 6203152, 7753940, 15507880, 31015760]

約数ペア:

[(1, 31015760), (2, 15507880), (4, 7753940), (5, 6203152), (8, 3876970), (10, 3101576), (16, 1938485), (20, 1550788), (40, 775394), (80, 387697), (229, 135440), (458, 67720), (916, 33860), (1145, 27088), (1693, 18320), (1832, 16930), (2290, 13544), (3386, 9160), (3664, 8465), (4580, 6772)]