8223880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1277}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 22083840

約数和(自身を除く): 13859960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1277, 1288, 1610, 2554, 3220, 5108, 6385, 6440, 8939, 10216, 12770, 17878, 25540, 29371, 35756, 44695, 51080, 58742, 71512, 89390, 117484, 146855, 178780, 205597, 234968, 293710, 357560, 411194, 587420, 822388, 1027985, 1174840, 1644776, 2055970, 4111940, 8223880]

約数ペア:

[(1, 8223880), (2, 4111940), (4, 2055970), (5, 1644776), (7, 1174840), (8, 1027985), (10, 822388), (14, 587420), (20, 411194), (23, 357560), (28, 293710), (35, 234968), (40, 205597), (46, 178780), (56, 146855), (70, 117484), (92, 89390), (115, 71512), (140, 58742), (161, 51080), (184, 44695), (230, 35756), (280, 29371), (322, 25540), (460, 17878), (644, 12770), (805, 10216), (920, 8939), (1277, 6440), (1288, 6385), (1610, 5108), (2554, 3220)]