8708120090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{420479}}^1$

素因数の和:420614

約数の個数: 32

約数和(自身を含む): 16651008000

約数和(自身を除く): 7942887910

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1090, 2071, 4142, 10355, 20710, 420479, 840958, 2102395, 4204790, 7989101, 15978202, 39945505, 45832211, 79891010, 91664422, 229161055, 458322110, 870812009, 1741624018, 4354060045, 8708120090]

約数ペア:

[(1, 8708120090), (2, 4354060045), (5, 1741624018), (10, 870812009), (19, 458322110), (38, 229161055), (95, 91664422), (109, 79891010), (190, 45832211), (218, 39945505), (545, 15978202), (1090, 7989101), (2071, 4204790), (4142, 2102395), (10355, 840958), (20710, 420479)]