39509680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10079}}^1$

素因数の和:10106

約数の個数: 60

約数和(自身を含む): 106868160

約数和(自身を除く): 67358480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10079, 20158, 40316, 50395, 70553, 80632, 100790, 141106, 161264, 201580, 282212, 352765, 403160, 493871, 564424, 705530, 806320, 987742, 1128848, 1411060, 1975484, 2469355, 2822120, 3950968, 4938710, 5644240, 7901936, 9877420, 19754840, 39509680]

約数ペア:

[(1, 39509680), (2, 19754840), (4, 9877420), (5, 7901936), (7, 5644240), (8, 4938710), (10, 3950968), (14, 2822120), (16, 2469355), (20, 1975484), (28, 1411060), (35, 1128848), (40, 987742), (49, 806320), (56, 705530), (70, 564424), (80, 493871), (98, 403160), (112, 352765), (140, 282212), (196, 201580), (245, 161264), (280, 141106), (392, 100790), (490, 80632), (560, 70553), (784, 50395), (980, 40316), (1960, 20158), (3920, 10079)]