51505280

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3499}}^1$

素因数の和:3541

約数の個数: 64

約数和(自身を含む): 128520000

約数和(自身を除く): 77014720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3499, 3680, 6998, 7360, 13996, 14720, 17495, 27992, 34990, 55984, 69980, 80477, 111968, 139960, 160954, 223936, 279920, 321908, 402385, 447872, 559840, 643816, 804770, 1119680, 1287632, 1609540, 2239360, 2575264, 3219080, 5150528, 6438160, 10301056, 12876320, 25752640, 51505280]

約数ペア:

[(1, 51505280), (2, 25752640), (4, 12876320), (5, 10301056), (8, 6438160), (10, 5150528), (16, 3219080), (20, 2575264), (23, 2239360), (32, 1609540), (40, 1287632), (46, 1119680), (64, 804770), (80, 643816), (92, 559840), (115, 447872), (128, 402385), (160, 321908), (184, 279920), (230, 223936), (320, 160954), (368, 139960), (460, 111968), (640, 80477), (736, 69980), (920, 55984), (1472, 34990), (1840, 27992), (2944, 17495), (3499, 14720), (3680, 13996), (6998, 7360)]