55401880

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1409}}^1$

素因数の和:2403

約数の個数: 32

約数和(自身を含む): 124869600

約数和(自身を除く): 69467720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1409, 1966, 2818, 3932, 4915, 5636, 7045, 7864, 9830, 11272, 14090, 19660, 28180, 39320, 56360, 1385047, 2770094, 5540188, 6925235, 11080376, 13850470, 27700940, 55401880]

約数ペア:

[(1, 55401880), (2, 27700940), (4, 13850470), (5, 11080376), (8, 6925235), (10, 5540188), (20, 2770094), (40, 1385047), (983, 56360), (1409, 39320), (1966, 28180), (2818, 19660), (3932, 14090), (4915, 11272), (5636, 9830), (7045, 7864)]