4117880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7919}}^1$

素因数の和:7943

約数の個数: 32

約数和(自身を含む): 9979200

約数和(自身を除く): 5861320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7919, 15838, 31676, 39595, 63352, 79190, 102947, 158380, 205894, 316760, 411788, 514735, 823576, 1029470, 2058940, 4117880]

約数ペア:

[(1, 4117880), (2, 2058940), (4, 1029470), (5, 823576), (8, 514735), (10, 411788), (13, 316760), (20, 205894), (26, 158380), (40, 102947), (52, 79190), (65, 63352), (104, 39595), (130, 31676), (260, 15838), (520, 7919)]