195096520

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{15683}}^1$

素因数の和:16005

約数の個数: 32

約数和(自身を含む): 440406720

約数和(自身を除く): 245310200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 15683, 31366, 62732, 78415, 125464, 156830, 313660, 627320, 4877413, 9754826, 19509652, 24387065, 39019304, 48774130, 97548260, 195096520]

約数ペア:

[(1, 195096520), (2, 97548260), (4, 48774130), (5, 39019304), (8, 24387065), (10, 19509652), (20, 9754826), (40, 4877413), (311, 627320), (622, 313660), (1244, 156830), (1555, 125464), (2488, 78415), (3110, 62732), (6220, 31366), (12440, 15683)]