84416540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7919}}^1$

素因数の和:7982

約数の個数: 48

約数和(自身を含む): 195592320

約数和(自身を除く): 111175780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 7919, 10660, 15838, 31676, 39595, 79190, 102947, 158380, 205894, 324679, 411788, 514735, 649358, 1029470, 1298716, 1623395, 2058940, 3246790, 4220827, 6493580, 8441654, 16883308, 21104135, 42208270, 84416540]

約数ペア:

[(1, 84416540), (2, 42208270), (4, 21104135), (5, 16883308), (10, 8441654), (13, 6493580), (20, 4220827), (26, 3246790), (41, 2058940), (52, 1623395), (65, 1298716), (82, 1029470), (130, 649358), (164, 514735), (205, 411788), (260, 324679), (410, 205894), (533, 158380), (820, 102947), (1066, 79190), (2132, 39595), (2665, 31676), (5330, 15838), (7919, 10660)]