7784920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1361}}^1$

素因数の和:1396

約数の個数: 64

約数和(自身を含む): 20593440

約数和(自身を除く): 12808520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1361, 1430, 2722, 2860, 5444, 5720, 6805, 10888, 13610, 14971, 17693, 27220, 29942, 35386, 54440, 59884, 70772, 74855, 88465, 119768, 141544, 149710, 176930, 194623, 299420, 353860, 389246, 598840, 707720, 778492, 973115, 1556984, 1946230, 3892460, 7784920]

約数ペア:

[(1, 7784920), (2, 3892460), (4, 1946230), (5, 1556984), (8, 973115), (10, 778492), (11, 707720), (13, 598840), (20, 389246), (22, 353860), (26, 299420), (40, 194623), (44, 176930), (52, 149710), (55, 141544), (65, 119768), (88, 88465), (104, 74855), (110, 70772), (130, 59884), (143, 54440), (220, 35386), (260, 29942), (286, 27220), (440, 17693), (520, 14971), (572, 13610), (715, 10888), (1144, 6805), (1361, 5720), (1430, 5444), (2722, 2860)]