72344740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3919}}^1$

素因数の和:4012

約数の個数: 48

約数和(自身を含む): 165957120

約数和(自身を除く): 93612380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 3919, 4615, 7838, 9230, 15676, 18460, 19595, 39190, 50947, 78380, 101894, 203788, 254735, 278249, 509470, 556498, 1018940, 1112996, 1391245, 2782490, 3617237, 5564980, 7234474, 14468948, 18086185, 36172370, 72344740]

約数ペア:

[(1, 72344740), (2, 36172370), (4, 18086185), (5, 14468948), (10, 7234474), (13, 5564980), (20, 3617237), (26, 2782490), (52, 1391245), (65, 1112996), (71, 1018940), (130, 556498), (142, 509470), (260, 278249), (284, 254735), (355, 203788), (710, 101894), (923, 78380), (1420, 50947), (1846, 39190), (3692, 19595), (3919, 18460), (4615, 15676), (7838, 9230)]