64758460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13109}}^1$

素因数の和:13150

約数の個数: 48

約数和(自身を含む): 154173600

約数和(自身を除く): 89415140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13109, 26218, 52436, 65545, 131090, 170417, 249071, 262180, 340834, 498142, 681668, 852085, 996284, 1245355, 1704170, 2490710, 3237923, 3408340, 4981420, 6475846, 12951692, 16189615, 32379230, 64758460]

約数ペア:

[(1, 64758460), (2, 32379230), (4, 16189615), (5, 12951692), (10, 6475846), (13, 4981420), (19, 3408340), (20, 3237923), (26, 2490710), (38, 1704170), (52, 1245355), (65, 996284), (76, 852085), (95, 681668), (130, 498142), (190, 340834), (247, 262180), (260, 249071), (380, 170417), (494, 131090), (988, 65545), (1235, 52436), (2470, 26218), (4940, 13109)]