31083520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:505

約数の個数: 88

約数和(自身を含む): 80471664

約数和(自身を除く): 49388144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 467, 512, 520, 640, 832, 934, 1024, 1040, 1280, 1664, 1868, 2080, 2335, 2560, 3328, 3736, 4160, 4670, 5120, 6071, 6656, 7472, 8320, 9340, 12142, 13312, 14944, 16640, 18680, 24284, 29888, 30355, 33280, 37360, 48568, 59776, 60710, 66560, 74720, 97136, 119552, 121420, 149440, 194272, 239104, 242840, 298880, 388544, 478208, 485680, 597760, 777088, 971360, 1195520, 1554176, 1942720, 2391040, 3108352, 3885440, 6216704, 7770880, 15541760, 31083520]

約数ペア:

[(1, 31083520), (2, 15541760), (4, 7770880), (5, 6216704), (8, 3885440), (10, 3108352), (13, 2391040), (16, 1942720), (20, 1554176), (26, 1195520), (32, 971360), (40, 777088), (52, 597760), (64, 485680), (65, 478208), (80, 388544), (104, 298880), (128, 242840), (130, 239104), (160, 194272), (208, 149440), (256, 121420), (260, 119552), (320, 97136), (416, 74720), (467, 66560), (512, 60710), (520, 59776), (640, 48568), (832, 37360), (934, 33280), (1024, 30355), (1040, 29888), (1280, 24284), (1664, 18680), (1868, 16640), (2080, 14944), (2335, 13312), (2560, 12142), (3328, 9340), (3736, 8320), (4160, 7472), (4670, 6656), (5120, 6071)]