51340280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1644

約数の個数: 64

約数和(自身を含む): 124502400

約数和(自身を除く): 73162120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1571, 1634, 1720, 3142, 3268, 4085, 6284, 6536, 7855, 8170, 12568, 15710, 16340, 29849, 31420, 32680, 59698, 62840, 67553, 119396, 135106, 149245, 238792, 270212, 298490, 337765, 540424, 596980, 675530, 1193960, 1283507, 1351060, 2567014, 2702120, 5134028, 6417535, 10268056, 12835070, 25670140, 51340280]

約数ペア:

[(1, 51340280), (2, 25670140), (4, 12835070), (5, 10268056), (8, 6417535), (10, 5134028), (19, 2702120), (20, 2567014), (38, 1351060), (40, 1283507), (43, 1193960), (76, 675530), (86, 596980), (95, 540424), (152, 337765), (172, 298490), (190, 270212), (215, 238792), (344, 149245), (380, 135106), (430, 119396), (760, 67553), (817, 62840), (860, 59698), (1571, 32680), (1634, 31420), (1720, 29849), (3142, 16340), (3268, 15710), (4085, 12568), (6284, 8170), (6536, 7855)]