142036880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{19949}}^1$

素因数の和:20051

約数の個数: 40

約数和(自身を含む): 333963000

約数和(自身を除く): 191926120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 19949, 39898, 79796, 99745, 159592, 199490, 319184, 398980, 797960, 1595920, 1775461, 3550922, 7101844, 8877305, 14203688, 17754610, 28407376, 35509220, 71018440, 142036880]

約数ペア:

[(1, 142036880), (2, 71018440), (4, 35509220), (5, 28407376), (8, 17754610), (10, 14203688), (16, 8877305), (20, 7101844), (40, 3550922), (80, 1775461), (89, 1595920), (178, 797960), (356, 398980), (445, 319184), (712, 199490), (890, 159592), (1424, 99745), (1780, 79796), (3560, 39898), (7120, 19949)]