25956920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 66648960

約数和(自身を除く): 40692040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 173, 220, 242, 248, 310, 341, 346, 440, 484, 605, 620, 682, 692, 865, 968, 1210, 1240, 1364, 1384, 1705, 1730, 1903, 2420, 2728, 3410, 3460, 3751, 3806, 4840, 5363, 6820, 6920, 7502, 7612, 9515, 10726, 13640, 15004, 15224, 18755, 19030, 20933, 21452, 26815, 30008, 37510, 38060, 41866, 42904, 53630, 58993, 75020, 76120, 83732, 104665, 107260, 117986, 150040, 167464, 209330, 214520, 235972, 294965, 418660, 471944, 589930, 648923, 837320, 1179860, 1297846, 2359720, 2595692, 3244615, 5191384, 6489230, 12978460, 25956920]

約数ペア:

[(1, 25956920), (2, 12978460), (4, 6489230), (5, 5191384), (8, 3244615), (10, 2595692), (11, 2359720), (20, 1297846), (22, 1179860), (31, 837320), (40, 648923), (44, 589930), (55, 471944), (62, 418660), (88, 294965), (110, 235972), (121, 214520), (124, 209330), (155, 167464), (173, 150040), (220, 117986), (242, 107260), (248, 104665), (310, 83732), (341, 76120), (346, 75020), (440, 58993), (484, 53630), (605, 42904), (620, 41866), (682, 38060), (692, 37510), (865, 30008), (968, 26815), (1210, 21452), (1240, 20933), (1364, 19030), (1384, 18755), (1705, 15224), (1730, 15004), (1903, 13640), (2420, 10726), (2728, 9515), (3410, 7612), (3460, 7502), (3751, 6920), (3806, 6820), (4840, 5363)]