165097160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{100669}}^1$

素因数の和:100721

約数の個数: 32

約数和(自身を含む): 380532600

約数和(自身を除く): 215435440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 100669, 201338, 402676, 503345, 805352, 1006690, 2013380, 4026760, 4127429, 8254858, 16509716, 20637145, 33019432, 41274290, 82548580, 165097160]

約数ペア:

[(1, 165097160), (2, 82548580), (4, 41274290), (5, 33019432), (8, 20637145), (10, 16509716), (20, 8254858), (40, 4127429), (41, 4026760), (82, 2013380), (164, 1006690), (205, 805352), (328, 503345), (410, 402676), (820, 201338), (1640, 100669)]