80642744

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8521}}^1$

素因数の和:8560

約数の個数: 48

約数和(自身を含む): 187143120

約数和(自身を除く): 106500376

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 2366, 4732, 8521, 9464, 17042, 34084, 59647, 68168, 110773, 119294, 221546, 238588, 443092, 477176, 775411, 886184, 1440049, 1550822, 2880098, 3101644, 5760196, 6203288, 10080343, 11520392, 20160686, 40321372, 80642744]

約数ペア:

[(1, 80642744), (2, 40321372), (4, 20160686), (7, 11520392), (8, 10080343), (13, 6203288), (14, 5760196), (26, 3101644), (28, 2880098), (52, 1550822), (56, 1440049), (91, 886184), (104, 775411), (169, 477176), (182, 443092), (338, 238588), (364, 221546), (676, 119294), (728, 110773), (1183, 68168), (1352, 59647), (2366, 34084), (4732, 17042), (8521, 9464)]