138120650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{52121}}^1$

素因数の和:52186

約数の個数: 24

約数和(自身を含む): 261756684

約数和(自身を除く): 123636034

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 52121, 104242, 260605, 521210, 1303025, 2606050, 2762413, 5524826, 13812065, 27624130, 69060325, 138120650]

約数ペア:

[(1, 138120650), (2, 69060325), (5, 27624130), (10, 13812065), (25, 5524826), (50, 2762413), (53, 2606050), (106, 1303025), (265, 521210), (530, 260605), (1325, 104242), (2650, 52121)]