128436320

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{11981}}^1$

素因数の和:12063

約数の個数: 48

約数和(自身を含む): 307985328

約数和(自身を除く): 179549008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 5360, 10720, 11981, 23962, 47924, 59905, 95848, 119810, 191696, 239620, 383392, 479240, 802727, 958480, 1605454, 1916960, 3210908, 4013635, 6421816, 8027270, 12843632, 16054540, 25687264, 32109080, 64218160, 128436320]

約数ペア:

[(1, 128436320), (2, 64218160), (4, 32109080), (5, 25687264), (8, 16054540), (10, 12843632), (16, 8027270), (20, 6421816), (32, 4013635), (40, 3210908), (67, 1916960), (80, 1605454), (134, 958480), (160, 802727), (268, 479240), (335, 383392), (536, 239620), (670, 191696), (1072, 119810), (1340, 95848), (2144, 59905), (2680, 47924), (5360, 23962), (10720, 11981)]