25732480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1347

約数の個数: 64

約数和(自身を含む): 63550080

約数和(自身を除く): 37817600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1297, 1984, 2480, 2594, 3968, 4960, 5188, 6485, 9920, 10376, 12970, 19840, 20752, 25940, 40207, 41504, 51880, 80414, 83008, 103760, 160828, 166016, 201035, 207520, 321656, 402070, 415040, 643312, 804140, 830080, 1286624, 1608280, 2573248, 3216560, 5146496, 6433120, 12866240, 25732480]

約数ペア:

[(1, 25732480), (2, 12866240), (4, 6433120), (5, 5146496), (8, 3216560), (10, 2573248), (16, 1608280), (20, 1286624), (31, 830080), (32, 804140), (40, 643312), (62, 415040), (64, 402070), (80, 321656), (124, 207520), (128, 201035), (155, 166016), (160, 160828), (248, 103760), (310, 83008), (320, 80414), (496, 51880), (620, 41504), (640, 40207), (992, 25940), (1240, 20752), (1297, 19840), (1984, 12970), (2480, 10376), (2594, 9920), (3968, 6485), (4960, 5188)]