25549240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 60219360

約数和(自身を除く): 34670120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 283, 296, 305, 370, 488, 566, 610, 740, 1132, 1220, 1415, 1480, 2257, 2264, 2440, 2830, 4514, 5660, 9028, 10471, 11285, 11320, 17263, 18056, 20942, 22570, 34526, 41884, 45140, 52355, 69052, 83768, 86315, 90280, 104710, 138104, 172630, 209420, 345260, 418840, 638731, 690520, 1277462, 2554924, 3193655, 5109848, 6387310, 12774620, 25549240]

約数ペア:

[(1, 25549240), (2, 12774620), (4, 6387310), (5, 5109848), (8, 3193655), (10, 2554924), (20, 1277462), (37, 690520), (40, 638731), (61, 418840), (74, 345260), (122, 209420), (148, 172630), (185, 138104), (244, 104710), (283, 90280), (296, 86315), (305, 83768), (370, 69052), (488, 52355), (566, 45140), (610, 41884), (740, 34526), (1132, 22570), (1220, 20942), (1415, 18056), (1480, 17263), (2257, 11320), (2264, 11285), (2440, 10471), (2830, 9028), (4514, 5660)]