80031484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 156219840

約数和(自身を除く): 76188356

約数列:

[1, 2, 4, 13, 26, 52, 53, 71, 106, 142, 212, 284, 409, 689, 818, 923, 1378, 1636, 1846, 2756, 3692, 3763, 5317, 7526, 10634, 15052, 21268, 21677, 29039, 43354, 48919, 58078, 86708, 97838, 116156, 195676, 281801, 377507, 563602, 755014, 1127204, 1510028, 1539067, 3078134, 6156268, 20007871, 40015742, 80031484]

約数ペア:

[(1, 80031484), (2, 40015742), (4, 20007871), (13, 6156268), (26, 3078134), (52, 1539067), (53, 1510028), (71, 1127204), (106, 755014), (142, 563602), (212, 377507), (284, 281801), (409, 195676), (689, 116156), (818, 97838), (923, 86708), (1378, 58078), (1636, 48919), (1846, 43354), (2756, 29039), (3692, 21677), (3763, 21268), (5317, 15052), (7526, 10634)]