85321920752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{42961}}^1$

素因数の和:43174

約数の個数: 80

約数和(自身を含む): 178996876800

約数和(自身を除く): 93674956048

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 139, 152, 188, 278, 304, 376, 556, 752, 893, 1112, 1786, 2224, 2641, 3572, 5282, 6533, 7144, 10564, 13066, 14288, 21128, 26132, 42256, 42961, 52264, 85922, 104528, 124127, 171844, 248254, 343688, 496508, 687376, 816259, 993016, 1632518, 1986032, 2019167, 3265036, 4038334, 5971579, 6530072, 8076668, 11943158, 13060144, 16153336, 23886316, 32306672, 38364173, 47772632, 76728346, 95545264, 113460001, 153456692, 226920002, 280664213, 306913384, 453840004, 561328426, 613826768, 907680008, 1122656852, 1815360016, 2245313704, 4490627408, 5332620047, 10665240094, 21330480188, 42660960376, 85321920752]

約数ペア:

[(1, 85321920752), (2, 42660960376), (4, 21330480188), (8, 10665240094), (16, 5332620047), (19, 4490627408), (38, 2245313704), (47, 1815360016), (76, 1122656852), (94, 907680008), (139, 613826768), (152, 561328426), (188, 453840004), (278, 306913384), (304, 280664213), (376, 226920002), (556, 153456692), (752, 113460001), (893, 95545264), (1112, 76728346), (1786, 47772632), (2224, 38364173), (2641, 32306672), (3572, 23886316), (5282, 16153336), (6533, 13060144), (7144, 11943158), (10564, 8076668), (13066, 6530072), (14288, 5971579), (21128, 4038334), (26132, 3265036), (42256, 2019167), (42961, 1986032), (52264, 1632518), (85922, 993016), (104528, 816259), (124127, 687376), (171844, 496508), (248254, 343688)]