51167870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 105114240

約数和(自身を除く): 53946370

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 109, 115, 130, 157, 218, 230, 299, 314, 545, 598, 785, 1090, 1417, 1495, 1570, 2041, 2507, 2834, 2990, 3611, 4082, 5014, 7085, 7222, 10205, 12535, 14170, 17113, 18055, 20410, 25070, 32591, 34226, 36110, 46943, 65182, 85565, 93886, 162955, 171130, 222469, 234715, 325910, 393599, 444938, 469430, 787198, 1112345, 1967995, 2224690, 3935990, 5116787, 10233574, 25583935, 51167870]

約数ペア:

[(1, 51167870), (2, 25583935), (5, 10233574), (10, 5116787), (13, 3935990), (23, 2224690), (26, 1967995), (46, 1112345), (65, 787198), (109, 469430), (115, 444938), (130, 393599), (157, 325910), (218, 234715), (230, 222469), (299, 171130), (314, 162955), (545, 93886), (598, 85565), (785, 65182), (1090, 46943), (1417, 36110), (1495, 34226), (1570, 32591), (2041, 25070), (2507, 20410), (2834, 18055), (2990, 17113), (3611, 14170), (4082, 12535), (5014, 10205), (7085, 7222)]