42513950

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 82200096

約数和(自身を除く): 39686146

約数列:

[1, 2, 5, 10, 25, 50, 53, 61, 106, 122, 263, 265, 305, 526, 530, 610, 1315, 1325, 1525, 2630, 2650, 3050, 3233, 6466, 6575, 13150, 13939, 16043, 16165, 27878, 32086, 32330, 69695, 80215, 80825, 139390, 160430, 161650, 348475, 401075, 696950, 802150, 850279, 1700558, 4251395, 8502790, 21256975, 42513950]

約数ペア:

[(1, 42513950), (2, 21256975), (5, 8502790), (10, 4251395), (25, 1700558), (50, 850279), (53, 802150), (61, 696950), (106, 401075), (122, 348475), (263, 161650), (265, 160430), (305, 139390), (526, 80825), (530, 80215), (610, 69695), (1315, 32330), (1325, 32086), (1525, 27878), (2630, 16165), (2650, 16043), (3050, 13939), (3233, 13150), (6466, 6575)]