51428480

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{751}}^1$

素因数の和:877

約数の個数: 64

約数和(自身を含む): 124260480

約数和(自身を除く): 72832000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 535, 640, 751, 856, 1070, 1502, 1712, 2140, 3004, 3424, 3755, 4280, 6008, 6848, 7510, 8560, 12016, 13696, 15020, 17120, 24032, 30040, 34240, 48064, 60080, 68480, 80357, 96128, 120160, 160714, 240320, 321428, 401785, 480640, 642856, 803570, 1285712, 1607140, 2571424, 3214280, 5142848, 6428560, 10285696, 12857120, 25714240, 51428480]

約数ペア:

[(1, 51428480), (2, 25714240), (4, 12857120), (5, 10285696), (8, 6428560), (10, 5142848), (16, 3214280), (20, 2571424), (32, 1607140), (40, 1285712), (64, 803570), (80, 642856), (107, 480640), (128, 401785), (160, 321428), (214, 240320), (320, 160714), (428, 120160), (535, 96128), (640, 80357), (751, 68480), (856, 60080), (1070, 48064), (1502, 34240), (1712, 30040), (2140, 24032), (3004, 17120), (3424, 15020), (3755, 13696), (4280, 12016), (6008, 8560), (6848, 7510)]