520001240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{1303}}^1$

素因数の和:2232

約数の個数: 64

約数和(自身を含む): 1278754560

約数和(自身を除く): 758753320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 907, 1303, 1814, 2606, 3628, 4535, 5212, 6515, 7256, 9070, 9977, 10424, 13030, 14333, 18140, 19954, 26060, 28666, 36280, 39908, 49885, 52120, 57332, 71665, 79816, 99770, 114664, 143330, 199540, 286660, 399080, 573320, 1181821, 2363642, 4727284, 5909105, 9454568, 11818210, 13000031, 23636420, 26000062, 47272840, 52000124, 65000155, 104000248, 130000310, 260000620, 520001240]

約数ペア:

[(1, 520001240), (2, 260000620), (4, 130000310), (5, 104000248), (8, 65000155), (10, 52000124), (11, 47272840), (20, 26000062), (22, 23636420), (40, 13000031), (44, 11818210), (55, 9454568), (88, 5909105), (110, 4727284), (220, 2363642), (440, 1181821), (907, 573320), (1303, 399080), (1814, 286660), (2606, 199540), (3628, 143330), (4535, 114664), (5212, 99770), (6515, 79816), (7256, 71665), (9070, 57332), (9977, 52120), (10424, 49885), (13030, 39908), (14333, 36280), (18140, 28666), (19954, 26060)]