85368140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1623

約数の個数: 96

約数和(自身を含む): 221840640

約数和(自身を除く): 136472500

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 380, 418, 494, 572, 715, 836, 988, 1045, 1235, 1430, 1571, 2090, 2470, 2717, 2860, 3142, 4180, 4940, 5434, 6284, 7855, 10868, 13585, 15710, 17281, 20423, 27170, 29849, 31420, 34562, 40846, 54340, 59698, 69124, 81692, 86405, 102115, 119396, 149245, 172810, 204230, 224653, 298490, 328339, 345620, 388037, 408460, 449306, 596980, 656678, 776074, 898612, 1123265, 1313356, 1552148, 1641695, 1940185, 2246530, 3283390, 3880370, 4268407, 4493060, 6566780, 7760740, 8536814, 17073628, 21342035, 42684070, 85368140]

約数ペア:

[(1, 85368140), (2, 42684070), (4, 21342035), (5, 17073628), (10, 8536814), (11, 7760740), (13, 6566780), (19, 4493060), (20, 4268407), (22, 3880370), (26, 3283390), (38, 2246530), (44, 1940185), (52, 1641695), (55, 1552148), (65, 1313356), (76, 1123265), (95, 898612), (110, 776074), (130, 656678), (143, 596980), (190, 449306), (209, 408460), (220, 388037), (247, 345620), (260, 328339), (286, 298490), (380, 224653), (418, 204230), (494, 172810), (572, 149245), (715, 119396), (836, 102115), (988, 86405), (1045, 81692), (1235, 69124), (1430, 59698), (1571, 54340), (2090, 40846), (2470, 34562), (2717, 31420), (2860, 29849), (3142, 27170), (4180, 20423), (4940, 17281), (5434, 15710), (6284, 13585), (7855, 10868)]