54657980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 126296352

約数和(自身を除く): 71638372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 157, 169, 206, 260, 314, 338, 412, 515, 628, 676, 785, 845, 1030, 1339, 1570, 1690, 2041, 2060, 2678, 3140, 3380, 4082, 5356, 6695, 8164, 10205, 13390, 16171, 17407, 20410, 26533, 26780, 32342, 34814, 40820, 53066, 64684, 69628, 80855, 87035, 106132, 132665, 161710, 174070, 210223, 265330, 323420, 348140, 420446, 530660, 840892, 1051115, 2102230, 2732899, 4204460, 5465798, 10931596, 13664495, 27328990, 54657980]

約数ペア:

[(1, 54657980), (2, 27328990), (4, 13664495), (5, 10931596), (10, 5465798), (13, 4204460), (20, 2732899), (26, 2102230), (52, 1051115), (65, 840892), (103, 530660), (130, 420446), (157, 348140), (169, 323420), (206, 265330), (260, 210223), (314, 174070), (338, 161710), (412, 132665), (515, 106132), (628, 87035), (676, 80855), (785, 69628), (845, 64684), (1030, 53066), (1339, 40820), (1570, 34814), (1690, 32342), (2041, 26780), (2060, 26533), (2678, 20410), (3140, 17407), (3380, 16171), (4082, 13390), (5356, 10205), (6695, 8164)]