513235540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{6197}}^1$

素因数の和:6348

約数の個数: 48

約数和(自身を含む): 1115193744

約数和(自身を除く): 601958204

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 404, 410, 505, 820, 1010, 2020, 4141, 6197, 8282, 12394, 16564, 20705, 24788, 30985, 41410, 61970, 82820, 123940, 254077, 508154, 625897, 1016308, 1251794, 1270385, 2503588, 2540770, 3129485, 5081540, 6258970, 12517940, 25661777, 51323554, 102647108, 128308885, 256617770, 513235540]

約数ペア:

[(1, 513235540), (2, 256617770), (4, 128308885), (5, 102647108), (10, 51323554), (20, 25661777), (41, 12517940), (82, 6258970), (101, 5081540), (164, 3129485), (202, 2540770), (205, 2503588), (404, 1270385), (410, 1251794), (505, 1016308), (820, 625897), (1010, 508154), (2020, 254077), (4141, 123940), (6197, 82820), (8282, 61970), (12394, 41410), (16564, 30985), (20705, 24788)]