80622940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1193}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 176520960

約数和(自身を除く): 95898020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 1090, 1193, 2180, 2386, 3379, 4772, 5965, 6758, 11930, 13516, 16895, 23860, 33790, 36983, 67580, 73966, 130037, 147932, 184915, 260074, 369830, 520148, 650185, 739660, 1300370, 2600740, 4031147, 8062294, 16124588, 20155735, 40311470, 80622940]

約数ペア:

[(1, 80622940), (2, 40311470), (4, 20155735), (5, 16124588), (10, 8062294), (20, 4031147), (31, 2600740), (62, 1300370), (109, 739660), (124, 650185), (155, 520148), (218, 369830), (310, 260074), (436, 184915), (545, 147932), (620, 130037), (1090, 73966), (1193, 67580), (2180, 36983), (2386, 33790), (3379, 23860), (4772, 16895), (5965, 13516), (6758, 11930)]