80192740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1447}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 179528832

約数和(自身を除く): 99336092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 652, 815, 1447, 1630, 2771, 2894, 3260, 5542, 5788, 7235, 11084, 13855, 14470, 24599, 27710, 28940, 49198, 55420, 98396, 122995, 235861, 245990, 471722, 491980, 943444, 1179305, 2358610, 4009637, 4717220, 8019274, 16038548, 20048185, 40096370, 80192740]

約数ペア:

[(1, 80192740), (2, 40096370), (4, 20048185), (5, 16038548), (10, 8019274), (17, 4717220), (20, 4009637), (34, 2358610), (68, 1179305), (85, 943444), (163, 491980), (170, 471722), (326, 245990), (340, 235861), (652, 122995), (815, 98396), (1447, 55420), (1630, 49198), (2771, 28940), (2894, 27710), (3260, 24599), (5542, 14470), (5788, 13855), (7235, 11084)]