40736960

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 112

約数和(自身を含む): 107972352

約数和(自身を除く): 67235392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 110, 142, 160, 163, 176, 220, 284, 320, 326, 352, 355, 440, 568, 652, 704, 710, 781, 815, 880, 1136, 1304, 1420, 1562, 1630, 1760, 1793, 2272, 2608, 2840, 3124, 3260, 3520, 3586, 3905, 4544, 5216, 5680, 6248, 6520, 7172, 7810, 8965, 10432, 11360, 11573, 12496, 13040, 14344, 15620, 17930, 22720, 23146, 24992, 26080, 28688, 31240, 35860, 46292, 49984, 52160, 57376, 57865, 62480, 71720, 92584, 114752, 115730, 124960, 127303, 143440, 185168, 231460, 249920, 254606, 286880, 370336, 462920, 509212, 573760, 636515, 740672, 925840, 1018424, 1273030, 1851680, 2036848, 2546060, 3703360, 4073696, 5092120, 8147392, 10184240, 20368480, 40736960]

約数ペア:

[(1, 40736960), (2, 20368480), (4, 10184240), (5, 8147392), (8, 5092120), (10, 4073696), (11, 3703360), (16, 2546060), (20, 2036848), (22, 1851680), (32, 1273030), (40, 1018424), (44, 925840), (55, 740672), (64, 636515), (71, 573760), (80, 509212), (88, 462920), (110, 370336), (142, 286880), (160, 254606), (163, 249920), (176, 231460), (220, 185168), (284, 143440), (320, 127303), (326, 124960), (352, 115730), (355, 114752), (440, 92584), (568, 71720), (652, 62480), (704, 57865), (710, 57376), (781, 52160), (815, 49984), (880, 46292), (1136, 35860), (1304, 31240), (1420, 28688), (1562, 26080), (1630, 24992), (1760, 23146), (1793, 22720), (2272, 17930), (2608, 15620), (2840, 14344), (3124, 13040), (3260, 12496), (3520, 11573), (3586, 11360), (3905, 10432), (4544, 8965), (5216, 7810), (5680, 7172), (6248, 6520)]