51464960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 127349376

約数和(自身を除く): 75884416

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, 620, 640, 992, 1240, 1280, 1297, 1984, 2480, 2594, 3968, 4960, 5188, 6485, 7936, 9920, 10376, 12970, 19840, 20752, 25940, 39680, 40207, 41504, 51880, 80414, 83008, 103760, 160828, 166016, 201035, 207520, 321656, 332032, 402070, 415040, 643312, 804140, 830080, 1286624, 1608280, 1660160, 2573248, 3216560, 5146496, 6433120, 10292992, 12866240, 25732480, 51464960]

約数ペア:

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