6639520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2441}}^1$

素因数の和:2473

約数の個数: 48

約数和(自身を含む): 16615368

約数和(自身を除く): 9975848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2441, 2720, 4882, 9764, 12205, 19528, 24410, 39056, 41497, 48820, 78112, 82994, 97640, 165988, 195280, 207485, 331976, 390560, 414970, 663952, 829940, 1327904, 1659880, 3319760, 6639520]

約数ペア:

[(1, 6639520), (2, 3319760), (4, 1659880), (5, 1327904), (8, 829940), (10, 663952), (16, 414970), (17, 390560), (20, 331976), (32, 207485), (34, 195280), (40, 165988), (68, 97640), (80, 82994), (85, 78112), (136, 48820), (160, 41497), (170, 39056), (272, 24410), (340, 19528), (544, 12205), (680, 9764), (1360, 4882), (2441, 2720)]