82640272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1952

約数の個数: 80

約数和(自身を含む): 198112320

約数和(自身を除く): 115472048

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 494, 572, 836, 988, 1144, 1672, 1901, 1976, 2288, 2717, 3344, 3802, 3952, 5434, 7604, 10868, 15208, 20911, 21736, 24713, 30416, 36119, 41822, 43472, 49426, 72238, 83644, 98852, 144476, 167288, 197704, 271843, 288952, 334576, 395408, 397309, 469547, 543686, 577904, 794618, 939094, 1087372, 1589236, 1878188, 2174744, 3178472, 3756376, 4349488, 5165017, 6356944, 7512752, 10330034, 20660068, 41320136, 82640272]

約数ペア:

[(1, 82640272), (2, 41320136), (4, 20660068), (8, 10330034), (11, 7512752), (13, 6356944), (16, 5165017), (19, 4349488), (22, 3756376), (26, 3178472), (38, 2174744), (44, 1878188), (52, 1589236), (76, 1087372), (88, 939094), (104, 794618), (143, 577904), (152, 543686), (176, 469547), (208, 397309), (209, 395408), (247, 334576), (286, 288952), (304, 271843), (418, 197704), (494, 167288), (572, 144476), (836, 98852), (988, 83644), (1144, 72238), (1672, 49426), (1901, 43472), (1976, 41822), (2288, 36119), (2717, 30416), (3344, 24713), (3802, 21736), (3952, 20911), (5434, 15208), (7604, 10868)]