31920460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11161}}^1$

素因数の和:11194

約数の個数: 48

約数和(自身を含む): 78759072

約数和(自身を除く): 46838612

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 11161, 22322, 44644, 55805, 111610, 122771, 145093, 223220, 245542, 290186, 491084, 580372, 613855, 725465, 1227710, 1450930, 1596023, 2455420, 2901860, 3192046, 6384092, 7980115, 15960230, 31920460]

約数ペア:

[(1, 31920460), (2, 15960230), (4, 7980115), (5, 6384092), (10, 3192046), (11, 2901860), (13, 2455420), (20, 1596023), (22, 1450930), (26, 1227710), (44, 725465), (52, 613855), (55, 580372), (65, 491084), (110, 290186), (130, 245542), (143, 223220), (220, 145093), (260, 122771), (286, 111610), (572, 55805), (715, 44644), (1430, 22322), (2860, 11161)]