31508480

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 80491320

約数和(自身を除く): 48982840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 181, 256, 272, 320, 340, 362, 512, 544, 640, 680, 724, 905, 1024, 1088, 1280, 1360, 1448, 1810, 2048, 2176, 2560, 2720, 2896, 3077, 3620, 4352, 5120, 5440, 5792, 6154, 7240, 8704, 10240, 10880, 11584, 12308, 14480, 15385, 17408, 21760, 23168, 24616, 28960, 30770, 34816, 43520, 46336, 49232, 57920, 61540, 87040, 92672, 98464, 115840, 123080, 174080, 185344, 196928, 231680, 246160, 370688, 393856, 463360, 492320, 787712, 926720, 984640, 1575424, 1853440, 1969280, 3150848, 3938560, 6301696, 7877120, 15754240, 31508480]

約数ペア:

[(1, 31508480), (2, 15754240), (4, 7877120), (5, 6301696), (8, 3938560), (10, 3150848), (16, 1969280), (17, 1853440), (20, 1575424), (32, 984640), (34, 926720), (40, 787712), (64, 492320), (68, 463360), (80, 393856), (85, 370688), (128, 246160), (136, 231680), (160, 196928), (170, 185344), (181, 174080), (256, 123080), (272, 115840), (320, 98464), (340, 92672), (362, 87040), (512, 61540), (544, 57920), (640, 49232), (680, 46336), (724, 43520), (905, 34816), (1024, 30770), (1088, 28960), (1280, 24616), (1360, 23168), (1448, 21760), (1810, 17408), (2048, 15385), (2176, 14480), (2560, 12308), (2720, 11584), (2896, 10880), (3077, 10240), (3620, 8704), (4352, 7240), (5120, 6154), (5440, 5792)]