40199800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^2\times {\mathrm{239}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 97203600

約数和(自身を除く): 57003800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 239, 290, 478, 580, 725, 841, 956, 1160, 1195, 1450, 1682, 1912, 2390, 2900, 3364, 4205, 4780, 5800, 5975, 6728, 6931, 8410, 9560, 11950, 13862, 16820, 21025, 23900, 27724, 33640, 34655, 42050, 47800, 55448, 69310, 84100, 138620, 168200, 173275, 200999, 277240, 346550, 401998, 693100, 803996, 1004995, 1386200, 1607992, 2009990, 4019980, 5024975, 8039960, 10049950, 20099900, 40199800]

約数ペア:

[(1, 40199800), (2, 20099900), (4, 10049950), (5, 8039960), (8, 5024975), (10, 4019980), (20, 2009990), (25, 1607992), (29, 1386200), (40, 1004995), (50, 803996), (58, 693100), (100, 401998), (116, 346550), (145, 277240), (200, 200999), (232, 173275), (239, 168200), (290, 138620), (478, 84100), (580, 69310), (725, 55448), (841, 47800), (956, 42050), (1160, 34655), (1195, 33640), (1450, 27724), (1682, 23900), (1912, 21025), (2390, 16820), (2900, 13862), (3364, 11950), (4205, 9560), (4780, 8410), (5800, 6931), (5975, 6728)]