156965867720

素因数分解:

$2^3\times 5^1\times {\mathrm{8311}}^1\times {\mathrm{472163}}^1$

素因数の和:480485

約数の個数: 32

約数和(自身を含む): 353216445120

約数和(自身を除く): 196250577400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8311, 16622, 33244, 41555, 66488, 83110, 166220, 332440, 472163, 944326, 1888652, 2360815, 3777304, 4721630, 9443260, 18886520, 3924146693, 7848293386, 15696586772, 19620733465, 31393173544, 39241466930, 78482933860, 156965867720]

約数ペア:

[(1, 156965867720), (2, 78482933860), (4, 39241466930), (5, 31393173544), (8, 19620733465), (10, 15696586772), (20, 7848293386), (40, 3924146693), (8311, 18886520), (16622, 9443260), (33244, 4721630), (41555, 3777304), (66488, 2360815), (83110, 1888652), (166220, 944326), (332440, 472163)]