61321220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1223}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 135717120

約数和(自身を除く): 74395900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 1090, 1223, 2180, 2446, 2507, 4892, 5014, 6115, 10028, 12230, 12535, 24460, 25070, 28129, 50140, 56258, 112516, 133307, 140645, 266614, 281290, 533228, 562580, 666535, 1333070, 2666140, 3066061, 6132122, 12264244, 15330305, 30660610, 61321220]

約数ペア:

[(1, 61321220), (2, 30660610), (4, 15330305), (5, 12264244), (10, 6132122), (20, 3066061), (23, 2666140), (46, 1333070), (92, 666535), (109, 562580), (115, 533228), (218, 281290), (230, 266614), (436, 140645), (460, 133307), (545, 112516), (1090, 56258), (1223, 50140), (2180, 28129), (2446, 25070), (2507, 24460), (4892, 12535), (5014, 12230), (6115, 10028)]