80020564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 161130816

約数和(自身を除く): 81110252

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 131, 221, 262, 442, 524, 691, 884, 1382, 1703, 2227, 2764, 3406, 4454, 6812, 8908, 8983, 11747, 17966, 23494, 28951, 35932, 46988, 57902, 90521, 115804, 152711, 181042, 305422, 362084, 610844, 1176773, 1538857, 2353546, 3077714, 4707092, 6155428, 20005141, 40010282, 80020564]

約数ペア:

[(1, 80020564), (2, 40010282), (4, 20005141), (13, 6155428), (17, 4707092), (26, 3077714), (34, 2353546), (52, 1538857), (68, 1176773), (131, 610844), (221, 362084), (262, 305422), (442, 181042), (524, 152711), (691, 115804), (884, 90521), (1382, 57902), (1703, 46988), (2227, 35932), (2764, 28951), (3406, 23494), (4454, 17966), (6812, 11747), (8908, 8983)]