81579080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5011}}^1$

素因数の和:5070

約数の個数: 64

約数和(自身を含む): 205692480

約数和(自身を除く): 124113400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 5011, 8140, 10022, 16280, 20044, 25055, 40088, 50110, 55121, 100220, 110242, 185407, 200440, 220484, 275605, 370814, 440968, 551210, 741628, 927035, 1102420, 1483256, 1854070, 2039477, 2204840, 3708140, 4078954, 7416280, 8157908, 10197385, 16315816, 20394770, 40789540, 81579080]

約数ペア:

[(1, 81579080), (2, 40789540), (4, 20394770), (5, 16315816), (8, 10197385), (10, 8157908), (11, 7416280), (20, 4078954), (22, 3708140), (37, 2204840), (40, 2039477), (44, 1854070), (55, 1483256), (74, 1102420), (88, 927035), (110, 741628), (148, 551210), (185, 440968), (220, 370814), (296, 275605), (370, 220484), (407, 200440), (440, 185407), (740, 110242), (814, 100220), (1480, 55121), (1628, 50110), (2035, 40088), (3256, 25055), (4070, 20044), (5011, 16280), (8140, 10022)]