99207880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{57679}}^1$

素因数の和:57733

約数の個数: 32

約数和(自身を含む): 228412800

約数和(自身を除く): 129204920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 57679, 115358, 230716, 288395, 461432, 576790, 1153580, 2307160, 2480197, 4960394, 9920788, 12400985, 19841576, 24801970, 49603940, 99207880]

約数ペア:

[(1, 99207880), (2, 49603940), (4, 24801970), (5, 19841576), (8, 12400985), (10, 9920788), (20, 4960394), (40, 2480197), (43, 2307160), (86, 1153580), (172, 576790), (215, 461432), (344, 288395), (430, 230716), (860, 115358), (1720, 57679)]