1999682560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16981}}^1$

素因数の和:17029

約数の個数: 88

約数和(自身を含む): 5005750176

約数和(自身を除く): 3006067616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1024, 1280, 1472, 1840, 2560, 2944, 3680, 5120, 5888, 7360, 11776, 14720, 16981, 23552, 29440, 33962, 58880, 67924, 84905, 117760, 135848, 169810, 271696, 339620, 390563, 543392, 679240, 781126, 1086784, 1358480, 1562252, 1952815, 2173568, 2716960, 3124504, 3905630, 4347136, 5433920, 6249008, 7811260, 8694272, 10867840, 12498016, 15622520, 17388544, 21735680, 24996032, 31245040, 43471360, 49992064, 62490080, 86942720, 99984128, 124980160, 199968256, 249960320, 399936512, 499920640, 999841280, 1999682560]

約数ペア:

[(1, 1999682560), (2, 999841280), (4, 499920640), (5, 399936512), (8, 249960320), (10, 199968256), (16, 124980160), (20, 99984128), (23, 86942720), (32, 62490080), (40, 49992064), (46, 43471360), (64, 31245040), (80, 24996032), (92, 21735680), (115, 17388544), (128, 15622520), (160, 12498016), (184, 10867840), (230, 8694272), (256, 7811260), (320, 6249008), (368, 5433920), (460, 4347136), (512, 3905630), (640, 3124504), (736, 2716960), (920, 2173568), (1024, 1952815), (1280, 1562252), (1472, 1358480), (1840, 1086784), (2560, 781126), (2944, 679240), (3680, 543392), (5120, 390563), (5888, 339620), (7360, 271696), (11776, 169810), (14720, 135848), (16981, 117760), (23552, 84905), (29440, 67924), (33962, 58880)]