40679912

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 105235200

約数和(自身を除く): 64555288

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 19, 26, 28, 34, 38, 52, 56, 68, 76, 91, 104, 119, 133, 136, 152, 173, 182, 221, 238, 247, 266, 323, 346, 364, 442, 476, 494, 532, 646, 692, 728, 884, 952, 988, 1064, 1211, 1292, 1384, 1547, 1729, 1768, 1976, 2249, 2261, 2422, 2584, 2941, 3094, 3287, 3458, 4199, 4498, 4522, 4844, 5882, 6188, 6574, 6916, 8398, 8996, 9044, 9688, 11764, 12376, 13148, 13832, 15743, 16796, 17992, 18088, 20587, 23009, 23528, 26296, 29393, 31486, 33592, 38233, 41174, 42731, 46018, 55879, 58786, 62972, 76466, 82348, 85462, 92036, 111758, 117572, 125944, 152932, 164696, 170924, 184072, 223516, 235144, 267631, 299117, 305864, 341848, 391153, 447032, 535262, 598234, 726427, 782306, 1070524, 1196468, 1452854, 1564612, 2141048, 2392936, 2905708, 3129224, 5084989, 5811416, 10169978, 20339956, 40679912]

約数ペア:

[(1, 40679912), (2, 20339956), (4, 10169978), (7, 5811416), (8, 5084989), (13, 3129224), (14, 2905708), (17, 2392936), (19, 2141048), (26, 1564612), (28, 1452854), (34, 1196468), (38, 1070524), (52, 782306), (56, 726427), (68, 598234), (76, 535262), (91, 447032), (104, 391153), (119, 341848), (133, 305864), (136, 299117), (152, 267631), (173, 235144), (182, 223516), (221, 184072), (238, 170924), (247, 164696), (266, 152932), (323, 125944), (346, 117572), (364, 111758), (442, 92036), (476, 85462), (494, 82348), (532, 76466), (646, 62972), (692, 58786), (728, 55879), (884, 46018), (952, 42731), (988, 41174), (1064, 38233), (1211, 33592), (1292, 31486), (1384, 29393), (1547, 26296), (1729, 23528), (1768, 23009), (1976, 20587), (2249, 18088), (2261, 17992), (2422, 16796), (2584, 15743), (2941, 13832), (3094, 13148), (3287, 12376), (3458, 11764), (4199, 9688), (4498, 9044), (4522, 8996), (4844, 8398), (5882, 6916), (6188, 6574)]