29778920

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5683}}^1$

素因数の和:5825

約数の個数: 32

約数和(自身を含む): 67525920

約数和(自身を除く): 37747000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 5683, 11366, 22732, 28415, 45464, 56830, 113660, 227320, 744473, 1488946, 2977892, 3722365, 5955784, 7444730, 14889460, 29778920]

約数ペア:

[(1, 29778920), (2, 14889460), (4, 7444730), (5, 5955784), (8, 3722365), (10, 2977892), (20, 1488946), (40, 744473), (131, 227320), (262, 113660), (524, 56830), (655, 45464), (1048, 28415), (1310, 22732), (2620, 11366), (5240, 5683)]