7320820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 17026128

約数和(自身を除く): 9705308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 761, 962, 1522, 1924, 2405, 3044, 3805, 4810, 7610, 9620, 9893, 15220, 19786, 28157, 39572, 49465, 56314, 98930, 112628, 140785, 197860, 281570, 366041, 563140, 732082, 1464164, 1830205, 3660410, 7320820]

約数ペア:

[(1, 7320820), (2, 3660410), (4, 1830205), (5, 1464164), (10, 732082), (13, 563140), (20, 366041), (26, 281570), (37, 197860), (52, 140785), (65, 112628), (74, 98930), (130, 56314), (148, 49465), (185, 39572), (260, 28157), (370, 19786), (481, 15220), (740, 9893), (761, 9620), (962, 7610), (1522, 4810), (1924, 3805), (2405, 3044)]