205380800

素因数分解:

$2^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5581}}^1$

素因数の和:5626

約数の個数: 84

約数和(自身を含む): 527432016

約数和(自身を除く): 322051216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 160, 184, 200, 230, 320, 368, 400, 460, 575, 736, 800, 920, 1150, 1472, 1600, 1840, 2300, 3680, 4600, 5581, 7360, 9200, 11162, 18400, 22324, 27905, 36800, 44648, 55810, 89296, 111620, 128363, 139525, 178592, 223240, 256726, 279050, 357184, 446480, 513452, 558100, 641815, 892960, 1026904, 1116200, 1283630, 1785920, 2053808, 2232400, 2567260, 3209075, 4107616, 4464800, 5134520, 6418150, 8215232, 8929600, 10269040, 12836300, 20538080, 25672600, 41076160, 51345200, 102690400, 205380800]

約数ペア:

[(1, 205380800), (2, 102690400), (4, 51345200), (5, 41076160), (8, 25672600), (10, 20538080), (16, 12836300), (20, 10269040), (23, 8929600), (25, 8215232), (32, 6418150), (40, 5134520), (46, 4464800), (50, 4107616), (64, 3209075), (80, 2567260), (92, 2232400), (100, 2053808), (115, 1785920), (160, 1283630), (184, 1116200), (200, 1026904), (230, 892960), (320, 641815), (368, 558100), (400, 513452), (460, 446480), (575, 357184), (736, 279050), (800, 256726), (920, 223240), (1150, 178592), (1472, 139525), (1600, 128363), (1840, 111620), (2300, 89296), (3680, 55810), (4600, 44648), (5581, 36800), (7360, 27905), (9200, 22324), (11162, 18400)]