83321680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:848

約数の個数: 80

約数和(自身を含む): 210767760

約数和(自身を除く): 127446080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 113, 130, 208, 226, 260, 452, 520, 565, 709, 904, 1040, 1130, 1418, 1469, 1808, 2260, 2836, 2938, 3545, 4520, 5672, 5876, 7090, 7345, 9040, 9217, 11344, 11752, 14180, 14690, 18434, 23504, 28360, 29380, 36868, 46085, 56720, 58760, 73736, 80117, 92170, 117520, 147472, 160234, 184340, 320468, 368680, 400585, 640936, 737360, 801170, 1041521, 1281872, 1602340, 2083042, 3204680, 4166084, 5207605, 6409360, 8332168, 10415210, 16664336, 20830420, 41660840, 83321680]

約数ペア:

[(1, 83321680), (2, 41660840), (4, 20830420), (5, 16664336), (8, 10415210), (10, 8332168), (13, 6409360), (16, 5207605), (20, 4166084), (26, 3204680), (40, 2083042), (52, 1602340), (65, 1281872), (80, 1041521), (104, 801170), (113, 737360), (130, 640936), (208, 400585), (226, 368680), (260, 320468), (452, 184340), (520, 160234), (565, 147472), (709, 117520), (904, 92170), (1040, 80117), (1130, 73736), (1418, 58760), (1469, 56720), (1808, 46085), (2260, 36868), (2836, 29380), (2938, 28360), (3545, 23504), (4520, 18434), (5672, 14690), (5876, 14180), (7090, 11752), (7345, 11344), (9040, 9217)]