28920523970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9901}}^1\times {\mathrm{22469}}^1$

素因数の和:32390

約数の個数: 32

約数和(自身を含む): 56069480880

約数和(自身を除く): 27148956910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 9901, 19802, 22469, 44938, 49505, 99010, 112345, 128713, 224690, 257426, 292097, 584194, 643565, 1287130, 1460485, 2920970, 222465569, 444931138, 1112327845, 2224655690, 2892052397, 5784104794, 14460261985, 28920523970]

約数ペア:

[(1, 28920523970), (2, 14460261985), (5, 5784104794), (10, 2892052397), (13, 2224655690), (26, 1112327845), (65, 444931138), (130, 222465569), (9901, 2920970), (19802, 1460485), (22469, 1287130), (44938, 643565), (49505, 584194), (99010, 292097), (112345, 257426), (128713, 224690)]