22519120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 57496320

約数和(自身を除く): 34977200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 367, 472, 520, 590, 734, 767, 944, 1040, 1180, 1468, 1534, 1835, 2360, 2936, 3068, 3670, 3835, 4720, 4771, 5872, 6136, 7340, 7670, 9542, 12272, 14680, 15340, 19084, 21653, 23855, 29360, 30680, 38168, 43306, 47710, 61360, 76336, 86612, 95420, 108265, 173224, 190840, 216530, 281489, 346448, 381680, 433060, 562978, 866120, 1125956, 1407445, 1732240, 2251912, 2814890, 4503824, 5629780, 11259560, 22519120]

約数ペア:

[(1, 22519120), (2, 11259560), (4, 5629780), (5, 4503824), (8, 2814890), (10, 2251912), (13, 1732240), (16, 1407445), (20, 1125956), (26, 866120), (40, 562978), (52, 433060), (59, 381680), (65, 346448), (80, 281489), (104, 216530), (118, 190840), (130, 173224), (208, 108265), (236, 95420), (260, 86612), (295, 76336), (367, 61360), (472, 47710), (520, 43306), (590, 38168), (734, 30680), (767, 29360), (944, 23855), (1040, 21653), (1180, 19084), (1468, 15340), (1534, 14680), (1835, 12272), (2360, 9542), (2936, 7670), (3068, 7340), (3670, 6136), (3835, 5872), (4720, 4771)]