22181120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 60436992

約数和(自身を除く): 38255872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 43, 52, 62, 64, 65, 80, 86, 104, 124, 128, 130, 155, 160, 172, 208, 215, 248, 256, 260, 310, 320, 344, 403, 416, 430, 496, 520, 559, 620, 640, 688, 806, 832, 860, 992, 1040, 1118, 1240, 1280, 1333, 1376, 1612, 1664, 1720, 1984, 2015, 2080, 2236, 2480, 2666, 2752, 2795, 3224, 3328, 3440, 3968, 4030, 4160, 4472, 4960, 5332, 5504, 5590, 6448, 6665, 6880, 7936, 8060, 8320, 8944, 9920, 10664, 11008, 11180, 12896, 13330, 13760, 16120, 16640, 17329, 17888, 19840, 21328, 22360, 25792, 26660, 27520, 32240, 34658, 35776, 39680, 42656, 44720, 51584, 53320, 55040, 64480, 69316, 71552, 85312, 86645, 89440, 103168, 106640, 128960, 138632, 143104, 170624, 173290, 178880, 213280, 257920, 277264, 341248, 346580, 357760, 426560, 515840, 554528, 693160, 715520, 853120, 1109056, 1386320, 1706240, 2218112, 2772640, 4436224, 5545280, 11090560, 22181120]

約数ペア:

[(1, 22181120), (2, 11090560), (4, 5545280), (5, 4436224), (8, 2772640), (10, 2218112), (13, 1706240), (16, 1386320), (20, 1109056), (26, 853120), (31, 715520), (32, 693160), (40, 554528), (43, 515840), (52, 426560), (62, 357760), (64, 346580), (65, 341248), (80, 277264), (86, 257920), (104, 213280), (124, 178880), (128, 173290), (130, 170624), (155, 143104), (160, 138632), (172, 128960), (208, 106640), (215, 103168), (248, 89440), (256, 86645), (260, 85312), (310, 71552), (320, 69316), (344, 64480), (403, 55040), (416, 53320), (430, 51584), (496, 44720), (520, 42656), (559, 39680), (620, 35776), (640, 34658), (688, 32240), (806, 27520), (832, 26660), (860, 25792), (992, 22360), (1040, 21328), (1118, 19840), (1240, 17888), (1280, 17329), (1333, 16640), (1376, 16120), (1612, 13760), (1664, 13330), (1720, 12896), (1984, 11180), (2015, 11008), (2080, 10664), (2236, 9920), (2480, 8944), (2666, 8320), (2752, 8060), (2795, 7936), (3224, 6880), (3328, 6665), (3440, 6448), (3968, 5590), (4030, 5504), (4160, 5332), (4472, 4960)]