40415820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2621}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 113647968

約数和(自身を除く): 73232148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2570, 2621, 3084, 3855, 5140, 5242, 7710, 7863, 10484, 13105, 15420, 15726, 26210, 31452, 39315, 52420, 78630, 157260, 673597, 1347194, 2020791, 2694388, 3367985, 4041582, 6735970, 8083164, 10103955, 13471940, 20207910, 40415820]

約数ペア:

[(1, 40415820), (2, 20207910), (3, 13471940), (4, 10103955), (5, 8083164), (6, 6735970), (10, 4041582), (12, 3367985), (15, 2694388), (20, 2020791), (30, 1347194), (60, 673597), (257, 157260), (514, 78630), (771, 52420), (1028, 39315), (1285, 31452), (1542, 26210), (2570, 15726), (2621, 15420), (3084, 13105), (3855, 10484), (5140, 7863), (5242, 7710)]