131234800

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{4153}}^1$

素因数の和:4250

約数の個数: 60

約数和(自身を含む): 319359520

約数和(自身を除く): 188124720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 3160, 3950, 4153, 6320, 7900, 8306, 15800, 16612, 20765, 31600, 33224, 41530, 66448, 83060, 103825, 166120, 207650, 328087, 332240, 415300, 656174, 830600, 1312348, 1640435, 1661200, 2624696, 3280870, 5249392, 6561740, 8202175, 13123480, 16404350, 26246960, 32808700, 65617400, 131234800]

約数ペア:

[(1, 131234800), (2, 65617400), (4, 32808700), (5, 26246960), (8, 16404350), (10, 13123480), (16, 8202175), (20, 6561740), (25, 5249392), (40, 3280870), (50, 2624696), (79, 1661200), (80, 1640435), (100, 1312348), (158, 830600), (200, 656174), (316, 415300), (395, 332240), (400, 328087), (632, 207650), (790, 166120), (1264, 103825), (1580, 83060), (1975, 66448), (3160, 41530), (3950, 33224), (4153, 31600), (6320, 20765), (7900, 16612), (8306, 15800)]