268525660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{16931}}^1$

素因数の和:17014

約数の個数: 48

約数和(自身を含む): 617272992

約数和(自身を除く): 348747332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 15860, 16931, 33862, 67724, 84655, 169310, 220103, 338620, 440206, 880412, 1032791, 1100515, 2065582, 2201030, 4131164, 4402060, 5163955, 10327910, 13426283, 20655820, 26852566, 53705132, 67131415, 134262830, 268525660]

約数ペア:

[(1, 268525660), (2, 134262830), (4, 67131415), (5, 53705132), (10, 26852566), (13, 20655820), (20, 13426283), (26, 10327910), (52, 5163955), (61, 4402060), (65, 4131164), (122, 2201030), (130, 2065582), (244, 1100515), (260, 1032791), (305, 880412), (610, 440206), (793, 338620), (1220, 220103), (1586, 169310), (3172, 84655), (3965, 67724), (7930, 33862), (15860, 16931)]