205859840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1353

約数の個数: 88

約数和(自身を含む): 510145152

約数和(自身を除く): 304285312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1297, 1984, 2480, 2560, 2594, 3968, 4960, 5120, 5188, 6485, 7936, 9920, 10376, 12970, 15872, 19840, 20752, 25940, 31744, 39680, 40207, 41504, 51880, 79360, 80414, 83008, 103760, 158720, 160828, 166016, 201035, 207520, 321656, 332032, 402070, 415040, 643312, 664064, 804140, 830080, 1286624, 1328128, 1608280, 1660160, 2573248, 3216560, 3320320, 5146496, 6433120, 6640640, 10292992, 12866240, 20585984, 25732480, 41171968, 51464960, 102929920, 205859840]

約数ペア:

[(1, 205859840), (2, 102929920), (4, 51464960), (5, 41171968), (8, 25732480), (10, 20585984), (16, 12866240), (20, 10292992), (31, 6640640), (32, 6433120), (40, 5146496), (62, 3320320), (64, 3216560), (80, 2573248), (124, 1660160), (128, 1608280), (155, 1328128), (160, 1286624), (248, 830080), (256, 804140), (310, 664064), (320, 643312), (496, 415040), (512, 402070), (620, 332032), (640, 321656), (992, 207520), (1024, 201035), (1240, 166016), (1280, 160828), (1297, 158720), (1984, 103760), (2480, 83008), (2560, 80414), (2594, 79360), (3968, 51880), (4960, 41504), (5120, 40207), (5188, 39680), (6485, 31744), (7936, 25940), (9920, 20752), (10376, 19840), (12970, 15872)]