12289420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4297}}^1$

素因数の和:4330

約数の個数: 48

約数和(自身を含む): 30326688

約数和(自身を除く): 18037268

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, 4297, 8594, 17188, 21485, 42970, 47267, 55861, 85940, 94534, 111722, 189068, 223444, 236335, 279305, 472670, 558610, 614471, 945340, 1117220, 1228942, 2457884, 3072355, 6144710, 12289420]

約数ペア:

[(1, 12289420), (2, 6144710), (4, 3072355), (5, 2457884), (10, 1228942), (11, 1117220), (13, 945340), (20, 614471), (22, 558610), (26, 472670), (44, 279305), (52, 236335), (55, 223444), (65, 189068), (110, 111722), (130, 94534), (143, 85940), (220, 55861), (260, 47267), (286, 42970), (572, 21485), (715, 17188), (1430, 8594), (2860, 4297)]