51509380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10427}}^1$

素因数の和:10468

約数の個数: 48

約数和(自身を含む): 122633280

約数和(自身を除く): 71123900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 10427, 20854, 41708, 52135, 104270, 135551, 198113, 208540, 271102, 396226, 542204, 677755, 792452, 990565, 1355510, 1981130, 2575469, 2711020, 3962260, 5150938, 10301876, 12877345, 25754690, 51509380]

約数ペア:

[(1, 51509380), (2, 25754690), (4, 12877345), (5, 10301876), (10, 5150938), (13, 3962260), (19, 2711020), (20, 2575469), (26, 1981130), (38, 1355510), (52, 990565), (65, 792452), (76, 677755), (95, 542204), (130, 396226), (190, 271102), (247, 208540), (260, 198113), (380, 135551), (494, 104270), (988, 52135), (1235, 41708), (2470, 20854), (4940, 10427)]