880689680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11927}}^1$

素因数の和:12024

約数の個数: 80

約数和(自身を含む): 2236356864

約数和(自身を除く): 1355667184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1136, 1420, 1846, 2840, 3692, 4615, 5680, 7384, 9230, 11927, 14768, 18460, 23854, 36920, 47708, 59635, 73840, 95416, 119270, 155051, 190832, 238540, 310102, 477080, 620204, 775255, 846817, 954160, 1240408, 1550510, 1693634, 2480816, 3101020, 3387268, 4234085, 6202040, 6774536, 8468170, 11008621, 12404080, 13549072, 16936340, 22017242, 33872680, 44034484, 55043105, 67745360, 88068968, 110086210, 176137936, 220172420, 440344840, 880689680]

約数ペア:

[(1, 880689680), (2, 440344840), (4, 220172420), (5, 176137936), (8, 110086210), (10, 88068968), (13, 67745360), (16, 55043105), (20, 44034484), (26, 33872680), (40, 22017242), (52, 16936340), (65, 13549072), (71, 12404080), (80, 11008621), (104, 8468170), (130, 6774536), (142, 6202040), (208, 4234085), (260, 3387268), (284, 3101020), (355, 2480816), (520, 1693634), (568, 1550510), (710, 1240408), (923, 954160), (1040, 846817), (1136, 775255), (1420, 620204), (1846, 477080), (2840, 310102), (3692, 238540), (4615, 190832), (5680, 155051), (7384, 119270), (9230, 95416), (11927, 73840), (14768, 59635), (18460, 47708), (23854, 36920)]