2078161720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1\times {\mathrm{2153}}^1$

素因数の和:2632

約数の個数: 64

約数和(自身を含む): 4768956000

約数和(自身を除く): 2690794280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 409, 472, 590, 818, 1180, 1636, 2045, 2153, 2360, 3272, 4090, 4306, 8180, 8612, 10765, 16360, 17224, 21530, 24131, 43060, 48262, 86120, 96524, 120655, 127027, 193048, 241310, 254054, 482620, 508108, 635135, 880577, 965240, 1016216, 1270270, 1761154, 2540540, 3522308, 4402885, 5081080, 7044616, 8805770, 17611540, 35223080, 51954043, 103908086, 207816172, 259770215, 415632344, 519540430, 1039080860, 2078161720]

約数ペア:

[(1, 2078161720), (2, 1039080860), (4, 519540430), (5, 415632344), (8, 259770215), (10, 207816172), (20, 103908086), (40, 51954043), (59, 35223080), (118, 17611540), (236, 8805770), (295, 7044616), (409, 5081080), (472, 4402885), (590, 3522308), (818, 2540540), (1180, 1761154), (1636, 1270270), (2045, 1016216), (2153, 965240), (2360, 880577), (3272, 635135), (4090, 508108), (4306, 482620), (8180, 254054), (8612, 241310), (10765, 193048), (16360, 127027), (17224, 120655), (21530, 96524), (24131, 86120), (43060, 48262)]