254278720

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19381}}^1$

素因数の和:19439

約数の個数: 56

約数和(自身を含む): 620301528

約数和(自身を除く): 366022808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 19381, 38762, 77524, 96905, 155048, 193810, 310096, 387620, 620192, 775240, 794621, 1240384, 1550480, 1589242, 3100960, 3178484, 3973105, 6201920, 6356968, 7946210, 12713936, 15892420, 25427872, 31784840, 50855744, 63569680, 127139360, 254278720]

約数ペア:

[(1, 254278720), (2, 127139360), (4, 63569680), (5, 50855744), (8, 31784840), (10, 25427872), (16, 15892420), (20, 12713936), (32, 7946210), (40, 6356968), (41, 6201920), (64, 3973105), (80, 3178484), (82, 3100960), (160, 1589242), (164, 1550480), (205, 1240384), (320, 794621), (328, 775240), (410, 620192), (656, 387620), (820, 310096), (1312, 193810), (1640, 155048), (2624, 96905), (3280, 77524), (6560, 38762), (13120, 19381)]