87977440

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2029}}^1$

素因数の和:2315

約数の個数: 48

約数和(自身を含む): 208716480

約数和(自身を除く): 120739040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 2029, 2168, 2710, 4058, 4336, 5420, 8116, 8672, 10145, 10840, 16232, 20290, 21680, 32464, 40580, 43360, 64928, 81160, 162320, 324640, 549859, 1099718, 2199436, 2749295, 4398872, 5498590, 8797744, 10997180, 17595488, 21994360, 43988720, 87977440]

約数ペア:

[(1, 87977440), (2, 43988720), (4, 21994360), (5, 17595488), (8, 10997180), (10, 8797744), (16, 5498590), (20, 4398872), (32, 2749295), (40, 2199436), (80, 1099718), (160, 549859), (271, 324640), (542, 162320), (1084, 81160), (1355, 64928), (2029, 43360), (2168, 40580), (2710, 32464), (4058, 21680), (4336, 20290), (5420, 16232), (8116, 10840), (8672, 10145)]