79830580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 174021120

約数和(自身を除く): 94190540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 331, 389, 620, 662, 778, 1324, 1556, 1655, 1945, 3310, 3890, 6620, 7780, 10261, 12059, 20522, 24118, 41044, 48236, 51305, 60295, 102610, 120590, 128759, 205220, 241180, 257518, 515036, 643795, 1287590, 2575180, 3991529, 7983058, 15966116, 19957645, 39915290, 79830580]

約数ペア:

[(1, 79830580), (2, 39915290), (4, 19957645), (5, 15966116), (10, 7983058), (20, 3991529), (31, 2575180), (62, 1287590), (124, 643795), (155, 515036), (310, 257518), (331, 241180), (389, 205220), (620, 128759), (662, 120590), (778, 102610), (1324, 60295), (1556, 51305), (1655, 48236), (1945, 41044), (3310, 24118), (3890, 20522), (6620, 12059), (7780, 10261)]