30519760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22441}}^1$

素因数の和:22471

約数の個数: 40

約数和(自身を含む): 75135816

約数和(自身を除く): 44616056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22441, 44882, 89764, 112205, 179528, 224410, 359056, 381497, 448820, 762994, 897640, 1525988, 1795280, 1907485, 3051976, 3814970, 6103952, 7629940, 15259880, 30519760]

約数ペア:

[(1, 30519760), (2, 15259880), (4, 7629940), (5, 6103952), (8, 3814970), (10, 3051976), (16, 1907485), (17, 1795280), (20, 1525988), (34, 897640), (40, 762994), (68, 448820), (80, 381497), (85, 359056), (136, 224410), (170, 179528), (272, 112205), (340, 89764), (680, 44882), (1360, 22441)]