28586240

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1015

約数の個数: 72

約数和(自身を含む): 71523648

約数和(自身を除く): 42937408

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, 640, 736, 920, 971, 1280, 1472, 1840, 1942, 2944, 3680, 3884, 4855, 5888, 7360, 7768, 9710, 14720, 15536, 19420, 22333, 29440, 31072, 38840, 44666, 62144, 77680, 89332, 111665, 124288, 155360, 178664, 223330, 248576, 310720, 357328, 446660, 621440, 714656, 893320, 1242880, 1429312, 1786640, 2858624, 3573280, 5717248, 7146560, 14293120, 28586240]

約数ペア:

[(1, 28586240), (2, 14293120), (4, 7146560), (5, 5717248), (8, 3573280), (10, 2858624), (16, 1786640), (20, 1429312), (23, 1242880), (32, 893320), (40, 714656), (46, 621440), (64, 446660), (80, 357328), (92, 310720), (115, 248576), (128, 223330), (160, 178664), (184, 155360), (230, 124288), (256, 111665), (320, 89332), (368, 77680), (460, 62144), (640, 44666), (736, 38840), (920, 31072), (971, 29440), (1280, 22333), (1472, 19420), (1840, 15536), (1942, 14720), (2944, 9710), (3680, 7768), (3884, 7360), (4855, 5888)]