50321920

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1787}}^1$

素因数の和:1821

約数の個数: 80

約数和(自身を含む): 131696928

約数和(自身を除く): 81375008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 1787, 2560, 2816, 3520, 3574, 5632, 7040, 7148, 8935, 14080, 14296, 17870, 19657, 28160, 28592, 35740, 39314, 57184, 71480, 78628, 98285, 114368, 142960, 157256, 196570, 228736, 285920, 314512, 393140, 457472, 571840, 629024, 786280, 914944, 1143680, 1258048, 1572560, 2287360, 2516096, 3145120, 4574720, 5032192, 6290240, 10064384, 12580480, 25160960, 50321920]

約数ペア:

[(1, 50321920), (2, 25160960), (4, 12580480), (5, 10064384), (8, 6290240), (10, 5032192), (11, 4574720), (16, 3145120), (20, 2516096), (22, 2287360), (32, 1572560), (40, 1258048), (44, 1143680), (55, 914944), (64, 786280), (80, 629024), (88, 571840), (110, 457472), (128, 393140), (160, 314512), (176, 285920), (220, 228736), (256, 196570), (320, 157256), (352, 142960), (440, 114368), (512, 98285), (640, 78628), (704, 71480), (880, 57184), (1280, 39314), (1408, 35740), (1760, 28592), (1787, 28160), (2560, 19657), (2816, 17870), (3520, 14296), (3574, 14080), (5632, 8935), (7040, 7148)]