28096120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 69128640

約数和(自身を除く): 41032520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 761, 923, 1420, 1522, 1846, 2840, 3044, 3692, 3805, 4615, 6088, 7384, 7610, 9230, 9893, 15220, 18460, 19786, 30440, 36920, 39572, 49465, 54031, 79144, 98930, 108062, 197860, 216124, 270155, 395720, 432248, 540310, 702403, 1080620, 1404806, 2161240, 2809612, 3512015, 5619224, 7024030, 14048060, 28096120]

約数ペア:

[(1, 28096120), (2, 14048060), (4, 7024030), (5, 5619224), (8, 3512015), (10, 2809612), (13, 2161240), (20, 1404806), (26, 1080620), (40, 702403), (52, 540310), (65, 432248), (71, 395720), (104, 270155), (130, 216124), (142, 197860), (260, 108062), (284, 98930), (355, 79144), (520, 54031), (568, 49465), (710, 39572), (761, 36920), (923, 30440), (1420, 19786), (1522, 18460), (1846, 15220), (2840, 9893), (3044, 9230), (3692, 7610), (3805, 7384), (4615, 6088)]