9816820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2221}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 23517648

約数和(自身を除く): 13700828

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 2221, 4420, 4442, 8884, 11105, 22210, 28873, 37757, 44420, 57746, 75514, 115492, 144365, 151028, 188785, 288730, 377570, 490841, 577460, 755140, 981682, 1963364, 2454205, 4908410, 9816820]

約数ペア:

[(1, 9816820), (2, 4908410), (4, 2454205), (5, 1963364), (10, 981682), (13, 755140), (17, 577460), (20, 490841), (26, 377570), (34, 288730), (52, 188785), (65, 151028), (68, 144365), (85, 115492), (130, 75514), (170, 57746), (221, 44420), (260, 37757), (340, 28873), (442, 22210), (884, 11105), (1105, 8884), (2210, 4442), (2221, 4420)]