25069520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 42426160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 503, 560, 623, 712, 890, 1006, 1246, 1424, 1780, 2012, 2492, 2515, 3115, 3521, 3560, 4024, 4984, 5030, 6230, 7042, 7120, 8048, 9968, 10060, 12460, 14084, 17605, 20120, 24920, 28168, 35210, 40240, 44767, 49840, 56336, 70420, 89534, 140840, 179068, 223835, 281680, 313369, 358136, 447670, 626738, 716272, 895340, 1253476, 1566845, 1790680, 2506952, 3133690, 3581360, 5013904, 6267380, 12534760, 25069520]

約数ペア:

[(1, 25069520), (2, 12534760), (4, 6267380), (5, 5013904), (7, 3581360), (8, 3133690), (10, 2506952), (14, 1790680), (16, 1566845), (20, 1253476), (28, 895340), (35, 716272), (40, 626738), (56, 447670), (70, 358136), (80, 313369), (89, 281680), (112, 223835), (140, 179068), (178, 140840), (280, 89534), (356, 70420), (445, 56336), (503, 49840), (560, 44767), (623, 40240), (712, 35210), (890, 28168), (1006, 24920), (1246, 20120), (1424, 17605), (1780, 14084), (2012, 12460), (2492, 10060), (2515, 9968), (3115, 8048), (3521, 7120), (3560, 7042), (4024, 6230), (4984, 5030)]