12679940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6967}}^1$

素因数の和:6996

約数の個数: 48

約数和(自身を含む): 32777472

約数和(自身を除く): 20097532

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 6967, 13934, 27868, 34835, 48769, 69670, 90571, 97538, 139340, 181142, 195076, 243845, 362284, 452855, 487690, 633997, 905710, 975380, 1267994, 1811420, 2535988, 3169985, 6339970, 12679940]

約数ペア:

[(1, 12679940), (2, 6339970), (4, 3169985), (5, 2535988), (7, 1811420), (10, 1267994), (13, 975380), (14, 905710), (20, 633997), (26, 487690), (28, 452855), (35, 362284), (52, 243845), (65, 195076), (70, 181142), (91, 139340), (130, 97538), (140, 90571), (182, 69670), (260, 48769), (364, 34835), (455, 27868), (910, 13934), (1820, 6967)]