28605440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:213

約数の個数: 88

約数和(自身を含む): 70940832

約数和(自身を除く): 42335392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 151, 160, 185, 256, 296, 302, 320, 370, 512, 592, 604, 640, 740, 755, 1024, 1184, 1208, 1280, 1480, 1510, 2368, 2416, 2560, 2960, 3020, 4736, 4832, 5120, 5587, 5920, 6040, 9472, 9664, 11174, 11840, 12080, 18944, 19328, 22348, 23680, 24160, 27935, 37888, 38656, 44696, 47360, 48320, 55870, 77312, 89392, 94720, 96640, 111740, 154624, 178784, 189440, 193280, 223480, 357568, 386560, 446960, 715136, 773120, 893920, 1430272, 1787840, 2860544, 3575680, 5721088, 7151360, 14302720, 28605440]

約数ペア:

[(1, 28605440), (2, 14302720), (4, 7151360), (5, 5721088), (8, 3575680), (10, 2860544), (16, 1787840), (20, 1430272), (32, 893920), (37, 773120), (40, 715136), (64, 446960), (74, 386560), (80, 357568), (128, 223480), (148, 193280), (151, 189440), (160, 178784), (185, 154624), (256, 111740), (296, 96640), (302, 94720), (320, 89392), (370, 77312), (512, 55870), (592, 48320), (604, 47360), (640, 44696), (740, 38656), (755, 37888), (1024, 27935), (1184, 24160), (1208, 23680), (1280, 22348), (1480, 19328), (1510, 18944), (2368, 12080), (2416, 11840), (2560, 11174), (2960, 9664), (3020, 9472), (4736, 6040), (4832, 5920), (5120, 5587)]