25980448

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:234

約数の個数: 72

約数和(自身を含む): 58471308

約数和(自身を除く): 32490860

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 173, 208, 247, 304, 346, 361, 416, 494, 608, 692, 722, 988, 1384, 1444, 1976, 2249, 2768, 2888, 3287, 3952, 4498, 4693, 5536, 5776, 6574, 7904, 8996, 9386, 11552, 13148, 17992, 18772, 26296, 35984, 37544, 42731, 52592, 62453, 71968, 75088, 85462, 105184, 124906, 150176, 170924, 249812, 341848, 499624, 683696, 811889, 999248, 1367392, 1623778, 1998496, 3247556, 6495112, 12990224, 25980448]

約数ペア:

[(1, 25980448), (2, 12990224), (4, 6495112), (8, 3247556), (13, 1998496), (16, 1623778), (19, 1367392), (26, 999248), (32, 811889), (38, 683696), (52, 499624), (76, 341848), (104, 249812), (152, 170924), (173, 150176), (208, 124906), (247, 105184), (304, 85462), (346, 75088), (361, 71968), (416, 62453), (494, 52592), (608, 42731), (692, 37544), (722, 35984), (988, 26296), (1384, 18772), (1444, 17992), (1976, 13148), (2249, 11552), (2768, 9386), (2888, 8996), (3287, 7904), (3952, 6574), (4498, 5776), (4693, 5536)]