28784600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11071}}^1$

素因数の和:11100

約数の個数: 48

約数和(自身を含む): 72078720

約数和(自身を除く): 43294120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 11071, 22142, 44284, 55355, 88568, 110710, 143923, 221420, 276775, 287846, 442840, 553550, 575692, 719615, 1107100, 1151384, 1439230, 2214200, 2878460, 3598075, 5756920, 7196150, 14392300, 28784600]

約数ペア:

[(1, 28784600), (2, 14392300), (4, 7196150), (5, 5756920), (8, 3598075), (10, 2878460), (13, 2214200), (20, 1439230), (25, 1151384), (26, 1107100), (40, 719615), (50, 575692), (52, 553550), (65, 442840), (100, 287846), (104, 276775), (130, 221420), (200, 143923), (260, 110710), (325, 88568), (520, 55355), (650, 44284), (1300, 22142), (2600, 11071)]