2557644340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{13381}}^1$

素因数の和:13912

約数の個数: 48

約数和(自身を含む): 5665403520

約数和(自身を除く): 3107759180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 503, 1006, 2012, 2515, 5030, 9557, 10060, 13381, 19114, 26762, 38228, 47785, 53524, 66905, 95570, 133810, 191140, 254239, 267620, 508478, 1016956, 1271195, 2542390, 5084780, 6730643, 13461286, 26922572, 33653215, 67306430, 127882217, 134612860, 255764434, 511528868, 639411085, 1278822170, 2557644340]

約数ペア:

[(1, 2557644340), (2, 1278822170), (4, 639411085), (5, 511528868), (10, 255764434), (19, 134612860), (20, 127882217), (38, 67306430), (76, 33653215), (95, 26922572), (190, 13461286), (380, 6730643), (503, 5084780), (1006, 2542390), (2012, 1271195), (2515, 1016956), (5030, 508478), (9557, 267620), (10060, 254239), (13381, 191140), (19114, 133810), (26762, 95570), (38228, 66905), (47785, 53524)]