87893240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1061}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 210276000

約数和(自身を除く): 122382760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1061, 1090, 2071, 2122, 2180, 4142, 4244, 4360, 5305, 8284, 8488, 10355, 10610, 16568, 20159, 20710, 21220, 40318, 41420, 42440, 80636, 82840, 100795, 115649, 161272, 201590, 231298, 403180, 462596, 578245, 806360, 925192, 1156490, 2197331, 2312980, 4394662, 4625960, 8789324, 10986655, 17578648, 21973310, 43946620, 87893240]

約数ペア:

[(1, 87893240), (2, 43946620), (4, 21973310), (5, 17578648), (8, 10986655), (10, 8789324), (19, 4625960), (20, 4394662), (38, 2312980), (40, 2197331), (76, 1156490), (95, 925192), (109, 806360), (152, 578245), (190, 462596), (218, 403180), (380, 231298), (436, 201590), (545, 161272), (760, 115649), (872, 100795), (1061, 82840), (1090, 80636), (2071, 42440), (2122, 41420), (2180, 40318), (4142, 21220), (4244, 20710), (4360, 20159), (5305, 16568), (8284, 10610), (8488, 10355)]