163637920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60161}}^1$

素因数の和:60193

約数の個数: 48

約数和(自身を含む): 409342248

約数和(自身を除く): 245704328

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, 2720, 60161, 120322, 240644, 300805, 481288, 601610, 962576, 1022737, 1203220, 1925152, 2045474, 2406440, 4090948, 4812880, 5113685, 8181896, 9625760, 10227370, 16363792, 20454740, 32727584, 40909480, 81818960, 163637920]

約数ペア:

[(1, 163637920), (2, 81818960), (4, 40909480), (5, 32727584), (8, 20454740), (10, 16363792), (16, 10227370), (17, 9625760), (20, 8181896), (32, 5113685), (34, 4812880), (40, 4090948), (68, 2406440), (80, 2045474), (85, 1925152), (136, 1203220), (160, 1022737), (170, 962576), (272, 601610), (340, 481288), (544, 300805), (680, 240644), (1360, 120322), (2720, 60161)]