12486531460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{145091}}^1$

素因数の和:145444

約数の個数: 48

約数和(自身を含む): 28324279872

約数和(自身を除く): 15837748412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1324, 1655, 3310, 4303, 6620, 8606, 17212, 21515, 43030, 86060, 145091, 290182, 580364, 725455, 1450910, 1886183, 2901820, 3772366, 7544732, 9430915, 18861830, 37723660, 48025121, 96050242, 192100484, 240125605, 480251210, 624326573, 960502420, 1248653146, 2497306292, 3121632865, 6243265730, 12486531460]

約数ペア:

[(1, 12486531460), (2, 6243265730), (4, 3121632865), (5, 2497306292), (10, 1248653146), (13, 960502420), (20, 624326573), (26, 480251210), (52, 240125605), (65, 192100484), (130, 96050242), (260, 48025121), (331, 37723660), (662, 18861830), (1324, 9430915), (1655, 7544732), (3310, 3772366), (4303, 2901820), (6620, 1886183), (8606, 1450910), (17212, 725455), (21515, 580364), (43030, 290182), (86060, 145091)]