18558080

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 44945280

約数和(自身を除く): 26387200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 271, 320, 428, 535, 542, 640, 856, 1070, 1084, 1355, 1712, 2140, 2168, 2710, 3424, 4280, 4336, 5420, 6848, 8560, 8672, 10840, 13696, 17120, 17344, 21680, 28997, 34240, 34688, 43360, 57994, 68480, 86720, 115988, 144985, 173440, 231976, 289970, 463952, 579940, 927904, 1159880, 1855808, 2319760, 3711616, 4639520, 9279040, 18558080]

約数ペア:

[(1, 18558080), (2, 9279040), (4, 4639520), (5, 3711616), (8, 2319760), (10, 1855808), (16, 1159880), (20, 927904), (32, 579940), (40, 463952), (64, 289970), (80, 231976), (107, 173440), (128, 144985), (160, 115988), (214, 86720), (271, 68480), (320, 57994), (428, 43360), (535, 34688), (542, 34240), (640, 28997), (856, 21680), (1070, 17344), (1084, 17120), (1355, 13696), (1712, 10840), (2140, 8672), (2168, 8560), (2710, 6848), (3424, 5420), (4280, 4336)]