11517440

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:443

約数の個数: 80

約数和(自身を含む): 30198960

約数和(自身を除く): 18681520

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, 409, 440, 512, 640, 704, 818, 880, 1280, 1408, 1636, 1760, 2045, 2560, 2816, 3272, 3520, 4090, 4499, 5632, 6544, 7040, 8180, 8998, 13088, 14080, 16360, 17996, 22495, 26176, 28160, 32720, 35992, 44990, 52352, 65440, 71984, 89980, 104704, 130880, 143968, 179960, 209408, 261760, 287936, 359920, 523520, 575872, 719840, 1047040, 1151744, 1439680, 2303488, 2879360, 5758720, 11517440]

約数ペア:

[(1, 11517440), (2, 5758720), (4, 2879360), (5, 2303488), (8, 1439680), (10, 1151744), (11, 1047040), (16, 719840), (20, 575872), (22, 523520), (32, 359920), (40, 287936), (44, 261760), (55, 209408), (64, 179960), (80, 143968), (88, 130880), (110, 104704), (128, 89980), (160, 71984), (176, 65440), (220, 52352), (256, 44990), (320, 35992), (352, 32720), (409, 28160), (440, 26176), (512, 22495), (640, 17996), (704, 16360), (818, 14080), (880, 13088), (1280, 8998), (1408, 8180), (1636, 7040), (1760, 6544), (2045, 5632), (2560, 4499), (2816, 4090), (3272, 3520)]