31078240

素因数分解:

$2^5\times 5^1\times {\mathrm{194239}}^1$

素因数の和:194254

約数の個数: 24

約数和(自身を含む): 73422720

約数和(自身を除く): 42344480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 194239, 388478, 776956, 971195, 1553912, 1942390, 3107824, 3884780, 6215648, 7769560, 15539120, 31078240]

約数ペア:

[(1, 31078240), (2, 15539120), (4, 7769560), (5, 6215648), (8, 3884780), (10, 3107824), (16, 1942390), (20, 1553912), (32, 971195), (40, 776956), (80, 388478), (160, 194239)]