55555120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 136509120

約数和(自身を除く): 80954000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 109, 115, 184, 218, 230, 277, 368, 436, 460, 545, 554, 872, 920, 1090, 1108, 1385, 1744, 1840, 2180, 2216, 2507, 2770, 4360, 4432, 5014, 5540, 6371, 8720, 10028, 11080, 12535, 12742, 20056, 22160, 25070, 25484, 30193, 31855, 40112, 50140, 50968, 60386, 63710, 100280, 101936, 120772, 127420, 150965, 200560, 241544, 254840, 301930, 483088, 509680, 603860, 694439, 1207720, 1388878, 2415440, 2777756, 3472195, 5555512, 6944390, 11111024, 13888780, 27777560, 55555120]

約数ペア:

[(1, 55555120), (2, 27777560), (4, 13888780), (5, 11111024), (8, 6944390), (10, 5555512), (16, 3472195), (20, 2777756), (23, 2415440), (40, 1388878), (46, 1207720), (80, 694439), (92, 603860), (109, 509680), (115, 483088), (184, 301930), (218, 254840), (230, 241544), (277, 200560), (368, 150965), (436, 127420), (460, 120772), (545, 101936), (554, 100280), (872, 63710), (920, 60386), (1090, 50968), (1108, 50140), (1385, 40112), (1744, 31855), (1840, 30193), (2180, 25484), (2216, 25070), (2507, 22160), (2770, 20056), (4360, 12742), (4432, 12535), (5014, 11080), (5540, 10028), (6371, 8720)]