28919120

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1873}}^1$

素因数の和:2079

約数の個数: 40

約数和(自身を含む): 67621416

約数和(自身を除く): 38702296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1873, 1930, 3088, 3746, 3860, 7492, 7720, 9365, 14984, 15440, 18730, 29968, 37460, 74920, 149840, 361489, 722978, 1445956, 1807445, 2891912, 3614890, 5783824, 7229780, 14459560, 28919120]

約数ペア:

[(1, 28919120), (2, 14459560), (4, 7229780), (5, 5783824), (8, 3614890), (10, 2891912), (16, 1807445), (20, 1445956), (40, 722978), (80, 361489), (193, 149840), (386, 74920), (772, 37460), (965, 29968), (1544, 18730), (1873, 15440), (1930, 14984), (3088, 9365), (3746, 7720), (3860, 7492)]