28749680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4549}}^1$

素因数の和:4641

約数の個数: 40

約数和(自身を含む): 67704000

約数和(自身を除く): 38954320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 4549, 6320, 9098, 18196, 22745, 36392, 45490, 72784, 90980, 181960, 359371, 363920, 718742, 1437484, 1796855, 2874968, 3593710, 5749936, 7187420, 14374840, 28749680]

約数ペア:

[(1, 28749680), (2, 14374840), (4, 7187420), (5, 5749936), (8, 3593710), (10, 2874968), (16, 1796855), (20, 1437484), (40, 718742), (79, 363920), (80, 359371), (158, 181960), (316, 90980), (395, 72784), (632, 45490), (790, 36392), (1264, 22745), (1580, 18196), (3160, 9098), (4549, 6320)]