25038640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:830

約数の個数: 80

約数和(自身を含む): 65308320

約数和(自身を除く): 40269680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 769, 814, 880, 1480, 1538, 1628, 2035, 2960, 3076, 3256, 3845, 4070, 6152, 6512, 7690, 8140, 8459, 12304, 15380, 16280, 16918, 28453, 30760, 32560, 33836, 42295, 56906, 61520, 67672, 84590, 113812, 135344, 142265, 169180, 227624, 284530, 312983, 338360, 455248, 569060, 625966, 676720, 1138120, 1251932, 1564915, 2276240, 2503864, 3129830, 5007728, 6259660, 12519320, 25038640]

約数ペア:

[(1, 25038640), (2, 12519320), (4, 6259660), (5, 5007728), (8, 3129830), (10, 2503864), (11, 2276240), (16, 1564915), (20, 1251932), (22, 1138120), (37, 676720), (40, 625966), (44, 569060), (55, 455248), (74, 338360), (80, 312983), (88, 284530), (110, 227624), (148, 169180), (176, 142265), (185, 135344), (220, 113812), (296, 84590), (370, 67672), (407, 61520), (440, 56906), (592, 42295), (740, 33836), (769, 32560), (814, 30760), (880, 28453), (1480, 16918), (1538, 16280), (1628, 15380), (2035, 12304), (2960, 8459), (3076, 8140), (3256, 7690), (3845, 6512), (4070, 6152)]