66975220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1489}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 152444880

約数和(自身を除く): 85469660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1489, 1730, 2249, 2978, 3460, 4498, 5956, 7445, 8996, 11245, 14890, 19357, 22490, 29780, 38714, 44980, 77428, 96785, 193570, 257597, 387140, 515194, 1030388, 1287985, 2575970, 3348761, 5151940, 6697522, 13395044, 16743805, 33487610, 66975220]

約数ペア:

[(1, 66975220), (2, 33487610), (4, 16743805), (5, 13395044), (10, 6697522), (13, 5151940), (20, 3348761), (26, 2575970), (52, 1287985), (65, 1030388), (130, 515194), (173, 387140), (260, 257597), (346, 193570), (692, 96785), (865, 77428), (1489, 44980), (1730, 38714), (2249, 29780), (2978, 22490), (3460, 19357), (4498, 14890), (5956, 11245), (7445, 8996)]