51560340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66103}}^1$

素因数の和:66128

約数の個数: 48

約数和(自身を含む): 155476608

約数和(自身を除く): 103916268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 66103, 132206, 198309, 264412, 330515, 396618, 661030, 793236, 859339, 991545, 1322060, 1718678, 1983090, 2578017, 3437356, 3966180, 4296695, 5156034, 8593390, 10312068, 12890085, 17186780, 25780170, 51560340]

約数ペア:

[(1, 51560340), (2, 25780170), (3, 17186780), (4, 12890085), (5, 10312068), (6, 8593390), (10, 5156034), (12, 4296695), (13, 3966180), (15, 3437356), (20, 2578017), (26, 1983090), (30, 1718678), (39, 1322060), (52, 991545), (60, 859339), (65, 793236), (78, 661030), (130, 396618), (156, 330515), (195, 264412), (260, 198309), (390, 132206), (780, 66103)]