38797640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{138563}}^1$

素因数の和:138581

約数の個数: 32

約数和(自身を含む): 99766080

約数和(自身を除く): 60968440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 138563, 277126, 554252, 692815, 969941, 1108504, 1385630, 1939882, 2771260, 3879764, 4849705, 5542520, 7759528, 9699410, 19398820, 38797640]

約数ペア:

[(1, 38797640), (2, 19398820), (4, 9699410), (5, 7759528), (7, 5542520), (8, 4849705), (10, 3879764), (14, 2771260), (20, 1939882), (28, 1385630), (35, 1108504), (40, 969941), (56, 692815), (70, 554252), (140, 277126), (280, 138563)]