40891664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 93208320

約数和(自身を除く): 52316656

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 79, 88, 136, 158, 173, 176, 187, 272, 316, 346, 374, 632, 692, 748, 869, 1264, 1343, 1384, 1496, 1738, 1903, 2686, 2768, 2941, 2992, 3476, 3806, 5372, 5882, 6952, 7612, 10744, 11764, 13667, 13904, 14773, 15224, 21488, 23528, 27334, 29546, 30448, 32351, 47056, 54668, 59092, 64702, 109336, 118184, 129404, 150337, 218672, 232339, 236368, 258808, 300674, 464678, 517616, 601348, 929356, 1202696, 1858712, 2405392, 2555729, 3717424, 5111458, 10222916, 20445832, 40891664]

約数ペア:

[(1, 40891664), (2, 20445832), (4, 10222916), (8, 5111458), (11, 3717424), (16, 2555729), (17, 2405392), (22, 1858712), (34, 1202696), (44, 929356), (68, 601348), (79, 517616), (88, 464678), (136, 300674), (158, 258808), (173, 236368), (176, 232339), (187, 218672), (272, 150337), (316, 129404), (346, 118184), (374, 109336), (632, 64702), (692, 59092), (748, 54668), (869, 47056), (1264, 32351), (1343, 30448), (1384, 29546), (1496, 27334), (1738, 23528), (1903, 21488), (2686, 15224), (2768, 14773), (2941, 13904), (2992, 13667), (3476, 11764), (3806, 10744), (5372, 7612), (5882, 6952)]